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关注：1
2013-05-23 12:21
求翻译：按地层、钻进方法确定井段的变径和相应长度是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
按地层、钻进方法确定井段的变径和相应长度
问题补充： |
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2013-05-23 12:21:38
By strata, drilling method to determine the wells and the corresponding section of adjustable length
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2013-05-23 12:23:18
The stratigraphy, drilled wells paragraph method to determine the variable path and the corresponding length
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2013-05-23 12:24:58
According to the stratum, sneaks in the method to determine the section changes the diameter and the corresponding length
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2013-05-23 12:26:38
By formation, well drilling method to determine the period of variable diameter and length
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2013-05-23 12:28:18
By formation, well drilling method to determine the period of variable diameter and length
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