短语词组短语Air bottle stop valve 空气瓶截止阀air bottle valve 瓶阀LPG BOTTLE VALVE 液化气瓶阀BOTTLE VALVE WITH SAFETY 带安全装置瓶阀AUTOMOBIL BOTTLE VALVE 车用瓶阀LIQUID BOTTLE VALVE 液相瓶阀sample bottle valve adaptor 样瓶接头gas bottle valve 气瓶阀 返回 bottle valve