hydraulic efficiency pipe
... hydraulic efficiency pipe bender 液压弯管机 hydraulic efficiency pipe 液压管 hydraulic efficiency pipeline 液压管路 ...
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hydraulic efficiency pipe
液压管
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The special hydraulic valve taking the place of the stopper for gas pipe has improved the efficiency, decreased the intensity and danger in the operation of gas.
在煤气管道上安装液压翻板阀，通过操作翻板代替人工抽堵盲板作业可以提高工作效率，降低劳动强度和作业危险性。
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