短語(yǔ)詞組短語(yǔ)blow -off valve cam 放風(fēng)閥凸輪silent blow -off valve 消音吹泄閥Blow -off valve seat 放水閥座automatic blow -off valve 自動(dòng)吹泄閥;自動(dòng)安全閥bypass blow -off valve 旁通放汽閥leaking blow -off valve 漏水排放閥 返回 blow-off valve