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天然气管道运行规范
Run criterion of natural gas pipeline
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埋地钢质管道外防腐层修复技术规范
Technical criteria for external coating rehabilitation of buried steel pipeline
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埋地钢质管道沥青防腐层大修理技术规定
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钢制管道封堵技术规程 第1部分:塞式、筒式封堵
Technical standard of tapping & plugging on steel pipeline -- Part 1: Plug & cylinder stopple
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凝析气藏流体物性分析方法
Analytical method for condensate gas properties
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