gas transmission meaning in Chinese

输气
透气性

Gas transmission and distribution piping systems
气体传输和分配管道系统
Asbestos - cement pressure pipe for gas transmission
石棉水泥输煤气管
Gas transmission and distribution piping systems ; addenda
气体运输和气体分配管道系统.修改件
Optimal design of gas transmission pipeline
干线输气管道优化设计
Detection and analysis of gas leakage in gas transmission stations
输气场站天然气泄漏检测及分析

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