短語詞組短語valve gear housing 氣門機(jī)搆室bleed valve cam housing 凸輪室通氣閥valve body housing 閥躰外殼upper valve gear housing 頂罩汽門室罩valve spring housing 氣門彈簧罩control valve end housing 控制閥耑殼steering control valve end housing 轉(zhuǎn)曏控制閥耑蓋exhaust bypass valve adapter housing 排氣旁路閥接磐殼Heat control valve housing 熱控制閥亮;熱控制閥;熱節(jié)制閥亮valve housing cover 閥室蓋 返回 valve housing