词汇	mushroom-head valve
释义	mushroom-head valve 机碟形阀
随便看	the vocational college students the vocational education the vocational education curriculum setting The vocational education definition the vocational school students the vocational technical college the vocational training system The Vocation of Man The vocation will fit you to a hair the vocative case The Vodka is strong but the meat is rotten The voice sounds familiar The voice spoke again The voices rose to a deafening pitch the voice to learn The voice was flat and colorless The voice woke ua up in the middle of the night The voice word the VOD System the voeational school libraries theV-of America the V-of America thevofoline the vogue for child-centred education The Vogue of French Movies