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關注：1
2013-05-23 12:21
求翻譯：Conventional dust suppression systems include both mechanical and chemical methods. For instance, dust collection equipment includes devices which capture entrained dust, induce the dust to settle, or contain the dust. The most common dustsuppression method, however, is the wetting of coal with water. Water is inexpens是什么意思？ 待解決
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- 離問題結束還有
Conventional dust suppression systems include both mechanical and chemical methods. For instance, dust collection equipment includes devices which capture entrained dust, induce the dust to settle, or contain the dust. The most common dustsuppression method, however, is the wetting of coal with water. Water is inexpens
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