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containing
阀门 塞
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Chinese
English
控制阀门活塞
control valve piston
气门塞释放阀
chock release valve
环形活塞式阀门
annular piston valve
阀门塞
valve stem
阀门柱塞
valve piston
阀门活塞〔柱塞〕
valve piston
阀门活塞
metering pin
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