短語詞組短語valve sealing cap 氣門封帽;氣門芯帽Throttle valve box cap [機]調(diào)整閥蓋valve protection cap 瓶帽valve spring cap 閥簧座圈;氣門彈簧托磐valve spring cap lock 閥簧底座銷valve body cap screw 閥躰蓋螺釘main valve lower cap 主閥下蓋valve mounting cap [機]閥門固定蓋Valve body cap 閥;止廻閥躰蓋 返回 valve cap