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2. ???? ????? ???? ???????? ?????? ??????????
a. ??????????? ???????????-????? ?????? ????????? ?????????????? ????????????
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b. ????? ???????? ??????????? ??????? ?????????? ???????
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Compared to other sand making machine, the service life of limestone sand making machine is 50% longer than that of them. What’s more, the production efficiency is 30% higher than that of them. Its excellent configuration makes it more durable and low failure rate.
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