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关注：1
2013-05-23 12:21
求翻译：埋管及其防磨片的磨损情况是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
埋管及其防磨片的磨损情况
问题补充： |
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2013-05-23 12:21:38
Piece of pipe wear and wear
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2013-05-23 12:23:18
buried pipes and its anti-grinding wear
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2013-05-23 12:24:58
The pipe installation and guards against the microsection the attrition situation
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2013-05-23 12:26:38
Buried pipes and anti-wear of grinding discs
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2013-05-23 12:28:18
Buried pipe and its erosion wear
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