valve guard 閥片行程限制器；閥檔板；閥箱；閥限位器valve grinding machine 氣門研磨機 閥門磨牀valve gate 閥門；閥門澆口valve flap 閥瓣valve fishing tool [電子、通信與自動控制技術]氣門吊裝valve driving arm [機械工程]閥敺動臂valve disease 心髒瓣膜病。valve disc 閥碟valve deck [機] 閥蓋valve cover [機] 閥蓋；氣門套valve core nut [機械工程]閥芯螺母valve core [機] 閥心；氣門芯valve controlled asymmetrical cylinder [計算機科學技術]閥控非對稱缸valve control circuit [交通運輸工程]閥開關電路[地球科學]閥開關電路valve control [機] 閥門控制，閥控制器；調節(jié)閥，氣門控制valve collet bush [機械工程]氣門鎖夾套valve code 閥心，氣門記號valve clearance gauge [經(jīng)濟學]氣閥間隙槼valve clearance adjusting nut [機械工程]氣門間隙調整螺母valve clearance 閥餘隙