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罢补办补颈迟补飞补：Fasaha ta sarrafa ?asa da ?aramar dutse (aggregates) ita ce mabu?in sarrafawa da amfani da ?ura daga rami, galibi hakan ya ?unshi za?ar ?ura daga rami, za?ar da tsara tsarin sarrafa ?asa da ?aramar dutse, fasaha ta sarrafa ?asa da ?aramar dutse, sarrafa ruwa mai datti, sarrafa ?ura da hayaniya da dai sauransu.

Halin amfani da ?ura daga rami

1. Menene ?ura daga rami?

?ura daga rami ita ce dutse mai yawa da aka cire yayin aikin rami.

2. Ha?arin ?arna magudanar tunnel ba daidai ba

A lokacin aikin hako tituna da tituna na gudu sauri, ana samar da yawa daga magudanar tunnel. Saboda dalilai kamar fasaha da shirya aikin gini, ba a iya amfani da magudanar tunnel da kyau, kuma yawanci dole ne a gina wurin ?arna musamman don ?arnar su.

Za?ar ?asa mai noma da albarkatun ?asa mara amfani

?arnar magudanar tunnel da aka samar a lokacin hako tunnel ba wai kawai tana ?ata ?asa mai noma ba, har ma tana shafar aikin ?asa, da kuma halaye na zahiri da na sinadarai na ?asa.

?ara yiwuwar bala'in ruwan sama

Kazar da ?azamar rami ta motsa yanki mai yawa sosai, ta ?ara yawan yankin da ?asa ta karye a wurin da aka riga aka karye sosai. Idan ba a kula da shi ba kuma ba a kare shi a lokacin ginin, zai haifar da karyewar ?asa a yankin kuma ya kawo abubuwan da ba a iya dogaro da su ga tsaron aikin babba, yana ?ara yiwuwar bala'in ruwan sama a kusa da kogin.

Asarar albarkatun tattalin arziki

Don cika bukatun ginin kore, dole ne a kula da yawan ?azamar rami da aka samu yayin kazawar ramin. Amma, nisa

3. Matsalolin shirye-shiryen yin yashi daga ?arfe na tunnel

Yawan canjin siffar da rashin za?in nau'in dutse na tunnel

Idan aka kwatanta da ma'adinan yashi da ?arfe, mafi munin yanayin amfani da ?arfe na tunnel wajen samar da yashi na injiniya shi ne cewa kayan ba za a iya za?arsu ba. Dangane da jadawalin aikin, ana samar da ?arfe a lokacin ginin tunnel, hakan na nufin bambancin duwatsu na iya zama mai yawa, kuma ingancin yashin injiniya ba shi da tabbaci. Idan an samar da ?arfe daga tunnels da yawa, wannan yanayi zai fi bayyana.

Rashin auna daidai na ?arfe na tunnel

Wasu ma'aikatan injiniya na iya daidaita fahimtar ?arfe na tunnel a matsayin cika hanyar, kuma rashin tallafin fasaha da fahimtar gaskiya game da aikinsa a injiniyan concrete, yana sa ya yi wahala a tsara albarkatun mutum, kayan aiki, da kudi domin nazarin da amfani da ?arfe na tunnel.

Rashin tsarin sarrafawa na yanki

Nau'in ?arfe na tunnel yana da rikitarwa, kuma nau'in ?arfe na tunnel yana bambanta sosai a yankuna daban-daban. Yanzu haka, babu tsarin magani na yanki da tsari, kuma ana bu?atar daidaita

Amfani da ?ura mai rami

Fasahohin da suka dace don shirya yashi da ?arfe daga ?arfe na rami

Aikin samar da yashi da ?arfe daga ?arfe na rami ya ?unshi: nazarin nau'i da darajar duwatsun da ke kewaye da rami → za?ar tattarawa na ?arfe na rami → nazarin bu?atu da bayarwa na ?arfe da yashi da duwatsun rami → kwatantawa da za?ar wurare don sarrafa yashi da ?arfe → tsara fasaha don sarrafa yashi da ?arfe → za?ar kayan aiki don sarrafa yashi da ?arfe → gina wurin sarrafa yashi da ?arfe, shigar da kayan aiki →

Fasaha ta sarrafa ?asa da ?aramar dutse (aggregates) ita ce mabu?in sarrafawa da amfani da ?ura daga rami, galibi hakan ya ?unshi za?ar ?ura daga rami, za?ar da tsara tsarin sarrafa ?asa da ?aramar dutse, fasaha ta sarrafa ?asa da ?aramar dutse, sarrafa ruwa mai datti, sarrafa ?ura da hayaniya da dai sauransu.

1. **Nazarin nau'in dutse da matakin ?arfin dutsen da ke kewaye da rami**

Nau'in dutsen da ke kewaye da rami shine abin da zai yanke shawara ko za a iya shirya yashi da ?arfe. Matakin ?arfin dutsen da ke kewaye da rami ana tantance shi ne bisa matakin rabuwar ?ura da ?ura daga rami da nau'in dutsen da ke kewaye. Dutsen da ke kewaye da rami mai ?arfi za a iya amfani da shi wajen shirya yashi da ?arfe.

2. **Za?ar tattara ?ura daga rami**

?uran rami tana da halayen kamar haka:

(1) ?uran rami na iya zuwa daga sassa daban-daban ko sassan aikin injiniya, kuma canjin nau'in dutsen da ke kewaye da rami na iya faruwa.

(2) Akwai ?azantar da ?asa da ?asa a cikin ?arfin rami, kuma tsafinsa bai isa ba. Saboda haka, dole ne a ?auki matakai masu dacewa don cire ?azanta da ?asa.

(3) Hanya mai muhimmanci wajen ?era rami a cikin ?asa shi ne fashewa. A lokacin da ake ?era rami a cikin tudun, saboda tasirin girman tsari na gabanin rami, yawan fashewar ?asa yana ?anana kuma wurare da ake fashewa suna taruwa, wanda hakan ke haifar da matsakaicin girman fashewar ?asa ya yi ?anana, tare da ?arin yawan man fetur da kuma kauriyar laka.

Dangane da halayen fashewar ?asa, idan duk an hada su a wurin ajiyar fashewar ?asa, hakan zai haifar da rashin tsayayya a cikin ?asa. Ana bu?atar rarraba da bincike na farko don rage canjin ingancin ?asa daga tushen.

Matakan da suka dace don inganta ingancin dutse na tushen ?arfe na tunnel.

Da farko, kafin a fara ha?a, a kwatanta bayanai kan auna gine-gine a wurin da kuma bayanan binciken ilimin ?asa don gano nau'in duwatsu, ?arfi, da matakin lalata na sassan ha?awa daban-daban, da kuma ko za a iya amfani da su azaman kayan da za a shirya ?asa da ?aho, don haka za a za?i ?arfe na layi daga tushe.

Sa'an nan, a lokacin aikin ha?ar ?asa, an gudanar da za?in da ya dace akan ?arfe na tunnel, kamar za?ar duwatsu da ke da kyawawan ayyuka da ?arfi mai yawa don sarrafa ?asa da ?azamar ra?uma. An haramta amfani da kayan ?arfe da aka ha?a daga yankunan da aka rushe, ?ungiyoyin ?asa, da kuma wuraren da ba su da ?arfi don shirya ?asa da ?azamar ra?uma.

A ?arshe, ?ura mai zuwa wurin ajiyar ?ura ana rarraba ta da shigar da ita bisa ingancinsu, domin a rage bambancin ingancin ?ura a cikin ?aya gini, a inganta ingancin aikin, kuma a sau?a?a rarraba ta, sarrafa ta, da amfani da ita.

3. Za?ar wurin da shirya tsarin sarrafa ?asa da ra?uman dutse

Akwai nau'ikan tsarin sarrafa ?asa da ra?uman dutse biyu: na tsayayya da na motsawa. A yanzu, tsarin babba da matsakaici galibi nau'in tsayayya ne. Ga ?ananan tsarin sarrafa ?asa da dutse a injiniyan layi ( kamar tituna, hanyoyi, da sauransu)

Na'urar sarrafa ?asa da tsakuwa ta wayar hannu tana amfani da tsarin ha?uwa na modular, wanda yake ha?a ayyukan karya, raba da yin yashi cikin daya. Za a iya sauya shi da sauri zuwa aikin samar da kayayyaki tare da jadawalin aikin kuma za a rage nisan jigilar kaya tsakanin matakai daban-daban.

Za a yi nazari mai zurfi kan za?en wurin ginin tsarin sarrafa yashi da ?arfe, da kuma tsari na wurin ha?uwa. Dangane da halayen yankin, yanayi na kewaye, girman wurin (la'akari da ajiyar kayan da aka gama da kuma ajiyar ?ura daga farantin ?arfe), girman tsarin da sifar sa, hanyar samarwa da sauran abubuwa, za a za?i wurin da ya dace daga cikin wurare da suka dace, kuma za a tsara shi yadda ya kamata domin ya cika bukatun fasaha ta zamani, ginin da yake sauki, aiki mai aminci, da kuma tattalin arziki mai kyau.

4. Fasaha ta sarrafa ?asa da ?aramar dutse daga ?arfe

A shirye-shiryen ?asa da ?aramar dutse daga ?arfe na tunnel, ana amfani da karyawa, rarraba, da yin ?asa, inda babban aikin shine "karyawa da yawa kuma ba a yi da?a?a ba, maye gurbin da?a?a da karyawa, da ha?a karyawa da da?a?a". Halaye na kayan aiki suna shafar zane-zane na tsarin sarrafa ?asa da ?aramar dutse.

Matar da ?asa

Ya kamata a tantance adadin sassan karyawa bisa lahani, ?arfi, da abubuwan da aka shigar.

A ?asa mai wahalar rushewa da kuma taurin matsalar, kamar basalt da granite, ana amfani da tsarin rushewa na matakai uku. Don rushewar kasar, ana amfani da jaw crusher ko gyratory crusher. Don rushewar matsakaici, ana amfani da cone crusher mai matsakaiciyar girma tare da ?arfin rushewa mai girma, yayin da a rushewar ?arami, ana amfani da short head cone crusher.

Domin duwatsu masu matsakaici ko masu rauni kamar launi da marmara, hanyar rushewa ta matakai biyu ko uku za a iya amfani da ita. Don rushewar manyan duwatsu, za mu iya daukar injin rushewar tasirin ko injin rushewar ?arfe wanda ya dace da ha?akar rushewa mai girma. Don rushewar matsakaici da na ?ananan duwatsu, muna bada shawarar za?ar injin rushewar tasirin ko injin rushewar cone.

Akwai nau'o'in sarrafawa uku na karya: bude zagaye, rufe zagaye, da kuma rufe zagaye mai sassan daban-daban:

A lokacin da aka dauki samarwa ta bude zagaye, hanya ce mai sauki, babu nauyin zagayawa, kuma tsari na wurin aiki yana da sau?i, amma daidaitawar daraja yana da ?arancin daidaitawa. Bayan daidaita, wasu kayan sharar za su iya zama;

A lokacin da aka dauki samarwa ta rufe zagaye, sau?in daidaita darajar tarin kayan, kuma tsari na wurin aiki yana da zurfi. Duk da haka, hanyar tana da wahalar, nauyin zagayawa yana da yawa, kuma ingancin sarrafawa yana da ?asa;

A daukar tsarin samar da kayayyaki a sassan daban-daban na waje, daidaitawar ?arfin ha?in ginin yana da sau?i, nauyin zagayowar yana da ?an?anta, amma adadin dakuna yana da yawa, kuma kula da aiki yana da wahala.

Tsaftacewa

Girka abu ne mai muhimmanci don sarrafa girman ?ananan duwatsu da ?ananan ?asa, kuma ?ananan ?asa sun ?ar?ashin girka da tsara su bayan an rushe su. Ya kamata a ?ayyade tsarin allo mai rawa bisa ?arfin ?asa, yawan wucewa, ?arfin aikin da ake bu?ata, tsara kayan da aka girka, bu?atun fitarwa, da sauransu.

Lokacin lissafin ?arfin sarrafawa na gano, dole ne a yi la'akari da canjin adadin abincin. Dole ne a lissafta allo mai layuka da yawa layi bayan layi, kuma dole ne a za?i model bisa layin da ba shi da kyau kuma a duba kauri na saman kayan a ?arshen fitarwa. Ana bu?atar cewa kauri na saman kayan a ?arshen fitarwar allo ba ya wuce sau 3-6 na girman rami na allo (ya kamata a ?auki ?imar da ta fi ?an?anta lokacin amfani da shi don busasshewa).

Yin da?a??en ?asa

1) Tsarin yin da?a??en ?asa

Tsarin samar da ?asa da ?akunni na ?asa (aggregates) yana da hanyoyi uku: hanyar bushewa, hanyar ruwa, da ha?in hanyoyin bushewa da ruwa.

(1) Tsarin samar da ruwa: yana dacewa ga yanayin da kayan aikin suke da yawa da yawa ko ?ananan ?wayoyin da suka yi rauni, kuma abun da ke cikin ?ananan ?asan ?asa (fine aggregate stone powder) yana da yawa. Tsarin samar da ruwa zai iya cire wasu ?ananan ?asan ?asa.

Fa'idodin sun hada da ?arfin ?arfin rarraba, saman ?asa yana da tsabta, kuma babu ?ura a lokacin samarwa; ?arancin fa'idodi sun hada da yawan ruwan da ake amfani da shi.

(2) Tsarin samarwa na bushewa: ya fi dacewa da kayan aiki masu tsafta da tsarin sarrafa ?asa tare da ?arancin kudin samar da ?asa mai kyau da ?arancin abun ciki na ?asa mai tsami.

Amfanin su sun hada da ?arancin amfani da ruwa, ?arancin asarar ?asa mai tsami, da ?arancin ko babu bu?atar sarrafa ruwa mai ?azanta.

Matsalar ita ce, yawanci ?ura mai yawa ce, kuma wurare masu ?ura mai yawa dole ne a rufe su kuma a samar da kayan aikin cire ?ura. Idan kayan aiki suna dauke da ruwa, ?asa mai kyau ba ta da sau?in fitarwa.

(3) Ha?in hanyar busasshiyar da ruwa don samarwa: gaba?aya yana nufin tsarin samarwa da ke ha?a hanyar samar da ?asa mai kauri ta hanyar ruwa da hanyar busasshiyar samar da ?asa mai kyau. Wannan hanyar samarwa tana dacewa da tsarin sarrafa yashi da ?arfe da ke da yawan ?asa a cikin kayan da aka yi amfani da su, kuma ?asa mai kyau da ?asa mai yawa ba su da yawa.

Fa'idarsa ita ce ha?a fa'idodin hanyar busasshiyar da ruwa, tare da rage amfani da ruwa, rage sarrafa ruwa mai ?azanta, saman ?asa mai kauri mai tsafta, rage asarar ?asa mai kyau da ?asa mai yawa, da rage gur?ata ?asa.

Babban rashi shi ne cewa, ana bu?atar busa kayan aikin da ba a sarrafa ba kafin su shiga injin tsagewa na vertical shaft impact bayan an wanke su da ruwa (yawan ruwa a cikin kayan aikin da ba a sarrafa ba yawanci bai wuce kashi 3 ba, ko kuma zai yi tasiri sosai akan sakamakon yin ra?uman yashi).

2) Kayan aikin samar da ?asa

Za a yanke shawara kan za?ar kayan aikin samar da ?asa bisa halayen tushen kayan, halayen yankin, hanyoyin samarwa, da bu?atun fitarwa. Kayan aikin samar da ?asa da suka fi yawa a kasuwa a yanzu sune na'urar matse ?asa mai goyan baya da na'urar samar da ?asa mai kama da gandun. Abokan ciniki na iya za?ar kayan aikin matse ?asa da samar da ?asa masu motsi bisa ci gaban aikin da yanayin wurin aiki da sauransu.

1. Na'urar matse ?asa mai goyan baya

Jerin VSI6X na na'urar matse ?asa mai goyan baya ya inganta tsarin rami na matsewa

A general, idan kayan aiki suna wahalar rushewa kuma suna da ?arfi a rushewa, dole ne a za?i hanyar rushewar "dutsen akan dutse"; idan kayan aiki sunyi rauni ko rauni, kuma rushewar su ta matsakaiciya ce ko ma?ar?ashiya, dole ne a za?i hanyar rushewar "dutsen akan ba?ar ?arfe".

2. Tsarin yin yashi kamar gini

Tsarin yin yashi kamar gini sabon nau'in hanyar yin yashi ne kuma kuma salon ci gaban masana'antar yin yashi ta injiniya a nan gaba. Domin magance matsalolin rarraba daraja mara kyau, yawan ?ura da ?asa, da girman ?ananan ?wayoyin halittu na gargajiya.

Na'urar Tsarin Yin Ruwa da Yashi na VU tana da ?aramin yanki, tana amfani da sufuri mai rufe gaba ?aya, samarwa da tsaftacewa ta hanyar ?arancin matsin lamba, tare da ?arancin ?ara, babu fitar ruwa, madarar ruwa da ?ura, kuma tana biyan bu?atun kare muhalli na ?asa.

3. na'urar matsewa da yin yashi ta jirgin sama

Layin samar da matsewa da yin yashi na K3 yana da na'ura mai inganci, tare da saurin da ?arfi, da aiki mai dorewa da aminci;

Ana ?era shi da tushen ?aukar kaya mai ?aukar kaya, yana sa sau?in sauyawa da shigarwa.

Bayan canza yanayin aiki, za a iya amfani da shi azaman layin da aka tsara, wanda hakan ya sa ya dace sosai don magance ?ura a cikin rami.

5. Matakan kare muhalli

Magance ruwan sharar gida

Ana amfani da tsananta ruwa da raba abubuwan da aka yi wa gaba?aya don magance ruwan sharar gida da aka fitar a lokacin sarrafawa da hada yashi da ?arfe.

Magance ruwan sharar gida da tsanantawa yawanci yana da matakai biyu: tsanantawa da farko da tsanantawa. Kashe-kashen da wannan hanyar take bukata ya zama ?an?an kuma aiki ya zama mai sau?i, amma ana bukatar isasshen wuri kuma yana iya shafar yanayin yanayi.

A hanyar raba abubuwa masu ?as?anci da na ruwa, ruwan sharar da aka fitar a farko ana saka shi cikin tankin tara domin a ?ara ?arfin sa, sannan a busar da ?azamar da ta kai matakin da ake so ta hanyar injiniya. Ruwan da ya wuce daga tankin tara ana saka shi cikin tankin tsaftacewa domin a daidaita shi. Wannan hanyar magancewa tana da ?aramin yanki kuma ba ta shafi yanayin yanayi ba. Kudin da aka sake amfani da su yawanci yana kai sama da 70%, amma saka hannun jari na injiniya yana da girma.

A yanzu haka, hanyoyin magance ruwan sharar tsarin sarrafa yashi da ?arfe yawanci suna amfani da ha?in gwiwa

Sarrafa Gurbin Fanko

Gurbin da ke cikin tsarin sarrafa yashi da ?arfe na iya fitowa daga matakan karya, tantancewa da rarraba, motsa kayan, da kuma nau'in da ke fitar da kayan, ba wai kawai suna lalata muhalli ba, har ma suna shafar lafiyar jiki ta ma'aikatan da mazauna yankin da ke kusa. A ka'ida, ana ha?a ruwa da iska don cire gurbin, fasahar nanoteknologiyyar halitta don hana gurbin da kuma kayan ajiyar gurbin a cikin tsarin.

Sarrafa Sauti

Babban matakin sarrafa sauti a cikin tsarin sarrafa yashi da ?arfe sun hada da:

• Za?i kayan aiki masu ?arancin ?ara don rage ?arfin ?ara.
• Za?i kayan ragewa da za su rage ?arar;
• Kullum amfani da kayan hana sauti don hana hanyoyin watsa sauti ko rage ?arfin sauti a lokacin watsawa;
• Amfani da kayan kariya na mutum daga ?ara, da sauransu.

Nazarin ha?in ?asa na siminti tare da yashi na tunnel-slag

1. Za?ar ?arfin shiri da ha?in ruwa da siminti

?arfin da ha?in ruwa da siminti na siminti da aka yi da injiniya ya kamata ya cika dokokin da suka dace.

2. Tabbatar da amfani da ruwa na yau da kullum

Idan aka kwatanta da siminti da aka yi da yashi na kogin, siminti da aka yi da injiniya yana bukatar ruwa mai yawa don cimma ?arfi.

3. ?ididdigar amfani da siminti a kowace nau'i

A lokacin shirya siminti na ?asa da amfani da injiniya (C30 da ?asa), domin samun ?arfi da ake bu?ata, ba a bu?atar ?ara amfani da siminti fiye da na siminti da aka yi da yashi daga kogin ba.

4. Za?en kewayon yashi

Za?en kewayon yashi a cikin siminti na ?asa da aka yi da injiniya yawanci yana da ?an ?aruwa na 2% -4% fiye da na siminti da aka yi da yashi daga kogin, ko ma fiye. Saboda abubuwa kamar yadda aka rarraba yashi, siffar ?ananan ?wayoyin, ma'aunin fineness, da abun da ke cikin ?wayoyin dutse na yashi da aka yi da injiniya, dole ne a ?ayyade ?imar musamman ta hanyar ?arin gwaji.

Hanyoyin magani na ?azamin tunnel

1. Shiriyar ?asa daga tarkon layin dogo na Chengdu-Kunming

Manyan duwatsu a cikin tarkon layin dogo na wannan aikin sune basalt da ?arfe. Kuma wannan aikin yana kusa da tushen ruwa, akwai isasshen ruwa don amfani a cikin aiki.

Kayan aikin:

1 mai rarraba mai rawa, 1 mai rushewa mai rawa, 1 mai rushewa mai kwano, 1 mai rushewa mai tashi mai tsayi, 2 masu rarraba mai rawa, 10 belun jigilar kaya, 1 samfura na akwatin lantarki da waya, 1 samfura na kayan wankewar ?asa, da 2 masu ?aukar kaya.

Hanya ta aiki:

①La'akari da cewa layin dogo yana bu?atar ?ananan duwatsu na 5~10mm don shotcrete, ?ananan duwatsu an tsara su a cikin rarrabuwa 3, tare da girma na 5~10mm, 10~20mm

Girman mashi na mashi ne 4mm (?arfe), 6mm (nylon), 12mm (nylon), 21mm (nylon), da 32mm (?arfe).

②Kayan da ba a dace da girmansu ba, daga kan allo na 4mm, sun ?unshi ?arfe wanda aka yi a masana'anta. Sanya gudu na injin ?arfe (gudu na injin ?arfe shine 1200r/min) don sarrafa modulus na ?arfe; Sanya yadda ake amfani da ruwa a injin wanke ?arfe don sarrafa siffar ?arfe da adadin ?arfe.

Aikace-aikacen da aka yi sun nuna cewa ?ara adadin ?arfe na iya rage modulus na ?arfe. Amma, a aikace, saboda yawan ?arfe da kuma ?arancin ruwa, yana da wahala a cire kayan daga kayan aikin.

③ Dutse mai girman milimita 4 zuwa 6 yana komawa injin yin ra?uman ?asa, yana rage adadin ?ananan ?wayoyin da ke ?asa da milimita 5 a cikin ?ananan ?wayoyin da ke tsakanin milimita 5 zuwa 10, ?wayoyin da ke kan allo mai girman milimita 6 sun kai tsakanin milimita 5 zuwa 10, ?wayoyin da ke kan allo mai girman milimita 12 sun kai tsakanin milimita 5 zuwa 10, ?wayoyin da ke kan allo mai girman milimita 21 sun kai tsakanin milimita 16 zuwa 31.5.

2. Shirye-shiryen ?asa daga ?ura daga layin Jiande-Jinhua Expressway

Dutsen da ke kewaye da rami a layin galibi tuff ne.

Bayani game da aikin:

Kayan aiki: tuff, ?ura daga rami

Yawan aikin: tan 260 a kowace awa

Kayan aiki: Mai rarraba F5X mai rawa, mai matse PEW, mai matse HST mai silinda guda daya na ruwa, injin samar da yashi VSI5X, mai rarraba S5X mai rawa da sauran kayan tallafi.

Yashi da ?azamar da aka gama: 0-5, 5-10, 10-20, 20-28mm

Amfanin Aikin:

Lafiya mai kyau:Kayan aikin matsewa da samar da yashi na zamani da na hankali shine hasken haske da zuciyar wannan aikin. Fasaha ta sarrafa ruwa ta zamani da hanyoyin samarwa masu kyau a bangaren matsewa suna tabbatar da aikin da ya dace da karko na wannan aiki baki daya; yashi da injin ya samar dashi, wanda aka gama, an samar da shi ta hanyar wannan aikin.

Babban hankali: Aikin yana da tsarin sarrafa PLC, wanda zai iya lura da kuma sarrafa yanayin aikin layin samarwa gaba ?aya. Wannan wurin samarwa mai hankali ba kawai yana sau?a?a aikin samarwa ba, har ma yana rage kudin mutane, wanda hakan yana taimakawa wajen sarrafa kudin aikin.

Babban amfani: Aikin yana niyyar amfani da mita cubic dubu 250 na yashi da injiniya. Idan aka yi la'akari da farashin kasuwa na aikin a lokacin, farashin yashi na halitta yana har zuwa RMB 280 kowace murabba'in mita, kuma farashin yashi na injiniya yana har zuwa ...