金属 库存总量 注销仓单 注销占百分比 铜 164,900 19,125 5.53% 铝 4,322,300 2,292,325 53.03% 铅 224,475 13,700 6.10% 锌 675,100 94,350 13.98% 锡 11,070 1,125 10.16% 镍 406,410 100,800 24.80%