gas transmission pipeline meaning in Chinese

气体输送管；煤气输送管
气体输送管道
输气管道

Optimal design of gas transmission pipeline
干线输气管道优化设计
Code for structural design of buried steel oil and gas transmission pipeline
埋地输油输气钢管道结构设计规范
Load assignment optimization of compressor stations in gas transmission pipeline
长距离输气管线压气站负荷优化调度
Problems to be focused on in hot - stoppling of gas transmission pipeline with rubber plug
输气管道囊式封堵需注意的问题
Code for energy saving economical operation of natural gas transmission pipeline system
天然气输送管道系统节能经济运行规范

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