金属 库存总量 注销仓单 注销占百分比 铜 205,325 96,175 46.84% 铝 5,303,475 2,920,200 55.06% 铅 193,475 20,625 10.66% 锌 760,125 125,925 16.57% 锡 9,640 3,700 38.38% 镍 278,772 116,656 41.81%