短語詞組短語exhaust valve push rod 排氣門推桿valve push rod guide 推桿套管slide valve tail rod 滑閥尾桿brake valve push rod 制動閥推桿valve push rod tube 氣門推桿管valve lift rod 閥升桿valve -rod nut 閥桿螺母valve push rod 推閥桿valve operating rod 閥操縱桿;閥把持桿 返回 valve rod