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關注：1
2013-05-23 12:21
求翻譯：老齡輸油管道物理壽命評估指標體系研究是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
老齡輸油管道物理壽命評估指標體系研究
問題補充： |
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2013-05-23 12:21:38
Aging pipeline physical life evaluation index system of
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2013-05-23 12:23:18
Aging pipeline physical life evaluation index system research
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2013-05-23 12:24:58
Old age oil pipeline physical life appraisal target system research
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2013-05-23 12:26:38
Study on the evaluation index system of physical life of aging oil pipeline
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2013-05-23 12:28:18
aging pipeline physical life evaluation index system research;
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