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关注：1
2013-05-23 12:21
求翻译：XZ1000做天然气管线铺设工程，长度1200m，其中有320m软岩，在回扩过程中使用组合式回扩器进行扩孔是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
XZ1000做天然气管线铺设工程，长度1200m，其中有320m软岩，在回扩过程中使用组合式回扩器进行扩孔
问题补充： |
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2013-05-23 12:21:38
do xz1000 gas pipeline laying project, length 1200m, 320m soft rock in the back diffusion process combined back expansion reaming
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2013-05-23 12:23:18
Do XZ 1000 natural gas pipeline construction project, length 1200 M, of which there are 320 M soft rock, in the extended process using a combined back eastward expansion is a bore
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2013-05-23 12:24:58
XZ1000 makes the natural air line to lay down the project, length 1200m, including the 320m soft crag, in returns expands in the process to use the combined type to return expands carries on the broaching
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2013-05-23 12:26:38
XZ1000 natural gas pipeline project, length of 1200m, which 320m in soft rock, in in the process of expanding the use of modular expansion expanding holes
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2013-05-23 12:28:18
正在翻译，请等待...
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