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关注：1
2013-05-23 12:21
求翻译：即在直径273毫米套管内采用正循环方法填砾是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
即在直径273毫米套管内采用正循环方法填砾
问题补充： |
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2013-05-23 12:21:38
Diameter of 273 mm casing that is circulating within the method used to fill gravel
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2013-05-23 12:23:18
That is 273 mm in diameter pipe used in reclamation methods are recycled gravel
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2013-05-23 12:24:58
Namely uses the direct cycle method in the diameter 273 millimeters drive pipes to fill in the gravel
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2013-05-23 12:26:38
273 mm diameter tube used in normal circulation gravel Pack
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2013-05-23 12:28:18
Diameter of 273 mm casing that is circulating within the method used to fill gravel
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