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Mechanical processes, including solids transportation, crushing and pulverization, screening and sieving.
机械过程,包括固体运输,粉碎,粉碎,筛选,筛分。
youdao
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Mechanical processes, including solids transportation, crushing and pulverization, screening and sieving.
机械过程,包括固体运输,粉碎,粉碎,筛选,筛分。
youdao