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关注：1
2013-05-23 12:21
求翻译：油管端部和连接螺栓沾上灰尘杂质是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
油管端部和连接螺栓沾上灰尘杂质
问题补充： |
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2013-05-23 12:21:38
Tubing end and connecting bolts coated with dust and impurities
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2013-05-23 12:23:18
End of Line and attaching bolts dust particle
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2013-05-23 12:24:58
The drill tubing nose and the connecting bolt stain the dust impurity
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2013-05-23 12:26:38
Tubing end and connecting bolts stained with dust, impurity
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2013-05-23 12:28:18
正在翻译，请等待...
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