?????：??? ????? ???? ???? ?? ???? ????? ???? ???? ??? ??? ???? ??? ?? ?????? ??? ?? ??? ?? ??????? ?? ????? (???? ???) ?? ????? ?? ??? ??????? ???? ??? ?????? ?? ????? ???? ?? ????? ?? ????? ??? ??????? ???? ??? ?? ??? ??? ??? ????? ???? ???? ??? ???? ??? ??? ????? ???? ???? ?????? ??? (????? ??? ????) ?? ??? ??? ????? ???? ??? ??? ?? ?? ????? ??? ??? ?????? ?? ???? ?? ?????? ??? ????? ???? ????? ?? ??? ????? ??? ????? ??? ?? ???? ???

??? ????? ???? ???? ?? ???? ????? ???? ???? ??? ??? ???? ??? ?? ?????? ??? ?? ??? ?? ??????? ?? ????? (???? ???) ?? ????? ?? ??? ??????? ???? ??? ?????? ?? ????? ???? ?? ????? ?? ????? ??? ??????? ???? ??? ?? ??? ??? ??? ????? ???? ???? ??? ???? ??? ??? ????? ???? ???? ?????? ??? (????? ??? ????) ?? ??? ??? ????? ???? ??? ??? ?? ?? ????? ??? ??? ?????? ?? ???? ?? ?????? ??? ????? ???? ????? ?? ??? ????? ??? ????? ??? ?? ???? ??? more water washing methods, it is called sand washing. The sand washing machine is a washing device for artificial sand (including natural sand). According to its appearance and design principle, the washing sand equipment can be divided into several types such as spiral sand washing machine, drum sand washing machine, water wheel sand washing machine and vibration sand washing machine.

??? ????? ???? ???? ??? ??? ?????? ??? ???? ???????? ????? ??? ? ???? ???????? ???? ?? ????? ??? ???? ???? ?????? ????? ???? ???? ??????? ??? ???? ?????? ??? ???? ????? ??? ???? ?????? ?? ??????? ???? ??? ?? ??? ?? ??? ?? ???? ???? ??????? ?? ??? ?? ???? ?? ??? ???? ???? ??? ?? ??? ?? ???? ?? ?????? ?? ??? ?? ??? ?? ???? ?? ???? ??? ?? ???? ???? ???? ???? ?? ??? ??? ???? ??? ????? ??? ????? ??? ?? ???? ??? ??? ??? ????? ?? ??????? ???? ???? ??? ????? ???? ????? ??? ??? ?? ???? ????? ??? ??? ????? ?? ??? ??? ??????? ???? ??? ??? ??? ??? ????? ?? ??????? ???? ???? ????? ????

????? ???? ??? ?? ?????? ?? ???? ????? ?????????? ?? ????? ????? ???? ??? ?? ?? ?????? ??? ????? ?? ?????? ??? ????? ???? ???? ??? ????? ???? ??? ?? ?????? ??? ????? ?? ??? ??? ??? ???? ?? ??????? ?? ?????? ??? ???? ?????? ?? ??????? ???? ??? ???? ??????? ??? ????? ?????? ???? ???? ??????? ?? ??? ??? ?? ??? ??? ???? ?? ????? ?? ??????? ????? ???? ????? ??? ??? ????? ???? ????? ?? ??????? ?? ?????? ?????? ?? ??? ????? ?? ??????? ???? ???? ??? ????? ?? ????? ???? ???? ??????

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