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關注：1
2013-05-23 12:21
求翻譯：Openhole completions of single seams were the first type of The technique was simple in principle, and it involved minimum risk.是什么意思？ 待解決
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- 離問題結束還有
Openhole completions of single seams were the first type of The technique was simple in principle, and it involved minimum risk.
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