... pipeline transport 管道运输 ; 管道运轮 ; 管线输送 ; 管路运输 pipeline valve 管道阀 ; 管道阀门 underground pipeline 地下管道 ; 地下管线 ...
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pipeline valve actuator 管道阀驱动器
the a-level pipeline valve a级管道阀门
pipeline valve repairer 管道阀门维修工
a-level pipeline valve a级管道阀门
pipeline control valve 管道操纵阀
valve for pipeline 管道阀门
pipeline block valve 线路截断阀
Valve and pipeline 气阀与管线
Priority introduces the main body of a book almost growing water supply pipeline valve in common use choosing the type and matters needing attention.
本文重点先容几种给水管路的常用阀门选型及注意事项。
Full welding of the ball valve body can be directly buried in the ground, so that in case the valve from erosion, the maximum service life of up to 30 years, oil, natural gas pipeline valve ideal.
全焊接阀体的球阀，可以直埋于地下，使阀门内件不受侵蚀，最高使用寿命可达30年，是石油、天然气管线最理想的阀门。
The pipeline to Zawiya passes through rebel-held land near the Nafusa Mountains: pouring cement into a valve would shut it down.
通往Zawiya的输油管经过Nafusa山脉附近反抗军掌控的地盘︰只要将水泥灌入其中一个阀门，输油管就完全停摆。
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