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[分享] API 5CT-2011(9th)套管和油管规范-中文 |
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发表于 2015-1-26 12:17:39
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发表于 2015-1-26 12:35:35
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发表于 2015-1-27 08:29:43
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发表于 2015-2-1 11:00:31
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