短語詞組短語valve inside plunger pin 翻譯;閥針英語;閥針main starting valve valve plunger 主閥柱塞check -valve plunger 止回閥柱塞valve -lifting plunger 氣門挺桿valve plunger adjustment screw 氣門柱塞調(diào)整螺釘overspeed valve plunger 超速閥柱塞shift valve plunger 變速器閥柱塞relay valve plunger 繼電器閥的柱塞main valve plunger [機]主閥柱塞 返回 valve plunger