1) welded steel pipe for gas transmission
煤气输气卷管
3) gas transmission line
煤气输送管线
4) pipes for ordinary piping
水煤气输送管
5) long-distance gas pipeline
煤气长输管线
1.
Monitoring and dispatching system in long-distance gas pipeline based on the same frequency digital broadcasting station
同频数传电台的煤气长输管线监测调度系统
6) gas sendout
煤气输出
补充资料：输气
1.服气。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条