???????：??????? ????? ??????????? ????? ??????????? ??????????????? ????????????? ??? ????? ????????? ??? ????? ???????. ??? ??????????? ???????????? ???????????? ???????? ??????? ????????? ?????? ???????????, ?????? ?????? ????????????????????????? ??????? ?????? ??????????????? ??????????, ??? ?????? ?????????? ????????????? ???????????????? ?????? ???????????? ??????????? ????? ???????? ??????????. ??? ????? ??????? ??????????????????, ?????? ??? ??????...

???? ??? ???? ??? ??? ??????? ??? ?????????????? ?????? ???????????? ?????? ????????????? ??????? ?????????. ??? ?????????? ????????????? ???????? ?????????????? ??? ????????? ?????????? ????????????????? ??????????? ?????????, ??????? ?????? ??????? ???????????????? ?????????????, ??? ?????????????? ?????????? ??? ?????????????????? ?????? ?????????? ?????????? ????????????? ?????????????. ??? ??????? ?????? ???????????? ?????????? when, ???????????? ? ?????????? ?????, ???????? ??????? ??? ????? ??????????.

??????????? ??? ????? ???????? ???????? ????????? ????? ????????? ????????????? ????????? ??????????. ???????????? ???????? ???? ????????? ?????? ?????????????????????, ??? ?????????? ????????? ????????????????. ??????????????? ????????????????????? ??? ???????? ???????????????????? ??????? ?????????? ????? ????????? ??????? ????????????????? ??????????. ????????? ?????? ??????????? ???????????? ?????????????? ??? ???????? ?????????????. ? ????????????? ???????? ??????? ?????? ???? ???? ??????? ????????? ??????????. ???? ???????? ??????? ???????? ?????? ????????? ???????.

?????? ?????????? ???? ???????????? ??? ????? ???????? ?????????????? ????????? ??? ???????? ?????????? ???????? ????????. ??????, ??????????????? ???? ????? ???????? ?????????????? ??????? ????????????????????? ?????? ???????????. ???????? ????? ???????? ???????, ????? ?????? ????????????? ?????? ????? ???????, ???????????? ????????, ??????, ???? ????? ???? ???????? ?????????? ??????????? ??????? ?????????, ????????? ????? ????????????? ?????? ??????? ??????, ?????? ?????????? ????????????? ?????? ???????? ?????.

(2) ??????? ??????????, ??????? ?????????????? ??? ????????? ???????????? ??? ????? ?????????????? ???? ????????? ?????? ?????????????. ????? ??????????, ?????? ????, ?????????? ????? ?????? ??????????????????, ??????? ?????????????????? ??? ???????????. ???-??????? ???????????, ???????? ?????????, ?????????????? ???????? ?????????????? ?????, ??????????, ?????????? ?????? ????? ??????????????? ?????????? ??????????? ????????????, ????? ?????????? ???????? ????????? ?????? ???????????.

(3) The structure is reasonable and durable. It adopts a new closed structure. The impeller drive bearing device is isolated from water and water-receiving materials, effectively avoiding the bearing damage caused by water immersion, sand and pollutants. In addition, in order to enhance its stability, it is made of domestic advanced materials, the production process is fine and rigorous, and it is not easy to malfunction during operation.