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2013-05-23 12:21
求翻译：and Westerman, 1997). Several methods are available to separate solids from liquids, including sedimentation (solids settle by grav- ity), mechanical separation (screen separators, centrifuge, screw press and belt press), evaporation ponds, dehydration, coagula- tion and flocculation (Zhang and Westerman, 1997). The sec是什么意思？ 待解决
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- 离问题结束还有
and Westerman, 1997). Several methods are available to separate solids from liquids, including sedimentation (solids settle by grav- ity), mechanical separation (screen separators, centrifuge, screw press and belt press), evaporation ponds, dehydration, coagula- tion and flocculation (Zhang and Westerman, 1997). The sec
问题补充： |
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