金属 库存总量 注销仓单 注销占百分比 铜 176,550 82,225 46.57% 铝 5,221,950 2,861,475 54.80% 铅 192,500 19,150 9.95% 锌 724,925 98,275 13.56% 锡 10,760 2,995 27.83% 镍 280,308 123,204 43.95%