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?????.?? 2000 ?? ??? ???, ????? ?????? ???????? ???????? ?? Chu Jiu, ?????? ??? ???? ????? ???? ?????? ??? ??????? ???????? ???. ?????.?? 200 ??? 100 ????? ????? ?? ????? ???? ?????????? ???? ?????? ???. ??????? ?????? ???????? ???? ???????, ??? ??????? ????? ????? ?????? ?????????? ?? ????? ??????????????? ????? ??????? ???.
????????? ??????? ???? ???????? ?????? ????? ??????????? ?????? ?? ?????? ????? ??? ?????? ?????? ?? ????. ????? ?? ???? ???? ???? ????? (????????? ??? ???? ???????).
??????? ???? ????? ????, ??? ???? ???????????, ??? ????? ????????? ?? ?? ?? ?? ??????, ?? ???????? ??? ??????????? ?? ?? ???? ?????????? ???????? ????, ?????? ?????? ??????? ?? ??????? ???? ?????? ??????. ??? ?????? ???? ????? ???, ??? ????? ????? ????? ?????????? ??????? ?????? ????? ?????? ???? ???.
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19 ?? ?????? ???, ??? ???? ????? ???????? ???? ????? ?? ?????? ???? ???? ????? ?????? ?????? ???. ?????? ?? ???????? ????????? ??? ??? ???? ????? ?????? ???????? ????????? ????????????? ???????? ????? ????????.
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1806 ??????, ??? ?????????? ????? ?? ????? ???? ?????? ?????????? ???? ???????.
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1858 ??, ???????? E.W. Black, ?????? ??? ???? ??? ????? ?????? ???????.
???????? E.W. Black ?????? ???????? ?? ????????? ??? ?? ????? ???? ??? ????? ????
??? ????? ????? ??????? ??????? ???? ????? (??? ????? ?????) ??. ??? ??? ???????, ???? ????????? ?? ???????, ????????? ???????????????, ???? ?????? ?? ?? ?? ???? ??? ??????, ????? ????, ???????, ??????? ???, ????????? ??? ?? ??????? ???? ????? ???????? ????? ????? ???? ?? ????? ?????? ??? ?????? ??.
1878 ?? ???, ??????????? ????? ????? ??????? ??? ?????????? ??????? ??????; ??? ???????? ???????????? ??? ????? ????? ??? ????????? ??? ???????? ?????.
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1895 ??, ???????? ??????? ????? ???????? ??? ?????? ?????? ???? ??????????.
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?????? ????? ???????? 1950 ??????? ??????? ?? ???? ???, ???? ????? ???????
1924 ??? ?????, ?????????? ????? ??? ????? ?? ????-????? ???? ???? ?????? ???????? ???.
1942 ??????, ???? ??? ???? ????? ??????????? ????? ?? ??????????? ???????? ?? ??????, ????????? AP ????????? ?????? ???? ???? ????? ???????? ????, ?? ???? ???? ???? ????? ???? ??.
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1948 ?? ???, ???????? ??????? ???????????? ???? ???? ?????? ???????? ?? ??? ?? ????? ??? ???????? ?????????? ?????? ??.
????? ?????? ???? ??????? ?? ???????? ????? (Symons cone crusher) ?????? ???????? ???? ???? ?. ????????? ????????? ???? ?????? ??? ?????? ?? ???????????? ?????? ??? ?????? ???? ???? ?????? ???????? ?? ??????? ??????? ??????????? ???? ????. ???? ??? ???? ??????? ??????? ?????? ????? ???? ??? ????????, ?????? ?? ??? ?????? ?????? ????? ?? ??? ????????? ??????? ??? ???? ???? ?????? ??.
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1970 ????? ???????? ???, ??? ??????? ??? 5,000?? ?? ???????? ????????? 2,000 ????????? ?? ????? ???????? ?????? ????????? ???.
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???? 1950 ???? ???? ?????? ????? ?? ?????? ???. ????? ?????? ?????? ??? ?? ?????? ???????????, ?????? ??? ???? ?????? ?? ????????, ??? 1980 ????? ?????? ???????. 1980 ??? ???? ???, ???? KHD ???? ?????? ??? ?????? ?????? ??????? ??????, ?? ??????????...
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???? ?????, 21 ?? ???????? ???, ??? ??? ????? ????????? ??? ?????? ???????? ??? ?? ??? ???? ?? ?????????? ???? ????? ??? ??? ???? ????????? ??? ?????? ???????. ???? ????????, ????? ?????????, ??????? ??? ???????? ?? ????? ?????????? ?????? ??? ?????? ?? ??? ?????????? ???? ???? ????? ?????? ???????? ???????? ????????? (??????? ???????? ?? ?????????) ???? ?? ??? ??????. ? ????, ??? ??????? ????? ????????? ?? ???????? ??? ???? ???????.
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