短語(yǔ)詞組短語(yǔ)ejector kickout valve 推卸器反沖閥air ejector suction valve 空氣射出器氣閥ejector r valve 頂出閥ejector control valve 推卸器控制閥ejector valve spool 推卸器閥芯dust ejector valve 吹塵器閥ejector valve stem 推卸器閥柄 返回 ejector valve