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關注：1
2013-05-23 12:21
求翻譯：allowing a 90 ft stand of three joints to be pulled from the hole and stood in the derrick是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
allowing a 90 ft stand of three joints to be pulled from the hole and stood in the derrick
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