?????? ???：?? ??? ???? ???? plants ?? ??? ????? ??????? ????? ? ????? ??? ?? ??????? ???? ?????? ?? ????? ?????? ????? ??????
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- ?????:?70% ???? ?????? ??? ???? ??.
- ??????:?72% ???? ?????? ?? ???? ???.
- ?????:?55-60% ??? ??? ????.
- ?????:??? 48% ??? ????.
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??? ????:??? ???? ?????? ?? ???? ????? ?? ??? ???? ????? ????? ???? ???? ???? ???? ???? ???? ??? ???? ??? ?? ??? ??? ?????? ???? ????? ???? ?? 150 ?.? ?????? ????? ?? ???? ??? ????.
二级破碎：????? ??? ?? 20-50 ?.? ????? ????? ????? ??? ???? ???? ?????? ?? ??? ?? ??? ??? ??? ??? ???? ??????
2. ????
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