短语词组短語Multiple Disc Coupon Holder 多層磐狀掛片支架DISC HOLDER CAST BRONZE 閥座rupture disc holder or 爆破片裝載架Disc Holder Nut 閥瓣基座螺母twine holder disc 壓繩磐slide holder disc 幻燈片卡磐 返回 disc holder