?????:??????? ????? ???????? ????? ????? ????? ??????????? ????????????? ????? ?? ???????? ??? ????? ?????? ?????????? ??? ????????????????. ???????????? ????? ????? ???????? ??????? ????? ???????? ???????? ??????????? ???? ??????? ??????.

??????? ????? ???????? ????? ???????? ??????? ????? ????? ??????????? ????????????? ????? ?? ???????? ??? ????? ?????? ?????????? ??? ????????????????. ???????????? ????? ????? ???????? ??????? ????? ???????? ???????? ??????????? ???? ??????? ??????. ????? ????? ?????????? ?????? ????? ???????? ????? ??????? ??????. `
????? ??????? ????? ??????? ?????????? ???????? ?????:
1. ???????? ???????? ??? ?????? ???????????. ??????? ??????? ????????. ???????? ??????? ???????? ??????? ?????????????? ??? ???????? ???????? ???????????. ???????? ??????? ?????? ????????? ????? ?????? ?????????? ????? ??????.
2. ?????? ???????? ????? ?????? ??? ????? ???. ?????? ????????? ????? ?????? ??????? ????????. ???????? ?????????? ???????? ???????? ?????? ??????? ????????? ???????????? ?????? ???????? ????????. ????????? ???????????? ??????? ????????
From the above text, we can draw the conclusion that: first, the fine crusher is an improved model of the ???????? ??????? ; secondly, the fine crusher discharge is finer than the ???????? ??????? and is suitable for sand making. Third, the fine crusher feed size is less than the counter-break feed size.