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關注：1
2013-05-23 12:21
求翻譯：過濾管進水面層有效孔隙率是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
過濾管進水面層有效孔隙率
問題補充： |
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2013-05-23 12:21:38
Filter tube into the surface layer effective porosity
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2013-05-23 12:23:18
filtered water inlet pipe surface effective porosity
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2013-05-23 12:24:58
The filter pipe enters the water surface level active porosity
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2013-05-23 12:26:38
Filter tube into the surface layer of effective porosity
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2013-05-23 12:28:18
Filter porosity of surface layers effectively
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