短語(yǔ)詞組短語(yǔ)Seat seal ring 閥座密封圈valve seat seal ring 閥座密封圈seat d ring 閥座renewable seat ring 可更換的閥座環(huán);可改換的閥座環(huán);可更換的閥底座;可調(diào)換的閥座環(huán)inner seat ring 內(nèi)座環(huán)Rolled Seat Ring 脹接;脹接閥座SEAT RING EPDM 閥座環(huán)retainer seat ring 止動(dòng)器環(huán)Separate Seat Ring 分離閥座 返回 seat ring