valve seat [機(jī)] 閥座，[機(jī)] 氣門(mén)座valve sealing cap [交通運(yùn)輸工程]氣門(mén)封帽valve rod [機(jī)] 閥桿valve rocker arm support [機(jī)械工程]閥搖臂支架valve rocker arm shaft [機(jī)械工程]閥搖臂軸[經(jīng)濟(jì)學(xué)]氣門(mén)搖臂軸valve rocker arm bushing 閥搖桿襯套valve rocker arm 閥搖臂valve rocker valve retainer 氣門(mén)護(hù)圈；閥門(mén)扣環(huán)valve remote control mechanism [交通運(yùn)輸工程]閥遙控機(jī)構(gòu)valve regurgitation [醫(yī)藥科學(xué)]瓣膜關(guān)閉不全valve positioner [機(jī)] 閥定位器valve plunger adjustment screw [交通運(yùn)輸工程]氣門(mén)柱塞調(diào)整螺釘valve plunger [車(chē)輛] 閥柱塞valve plug [機(jī)] 閥塞valve piston [機(jī)] 閥門(mén)活塞valve passage resistance [機(jī)械工程]閥道流動(dòng)阻力valve outer chamber cover [機(jī)械工程]閥外室蓋valve operating piston [交通運(yùn)輸工程]閥動(dòng)活塞valve opening 閥門(mén)開(kāi)度