金属 库存总量 注销仓单 注销占百分比 铜 164,800 22,750 13.80% 铝 4,330,750 2,328,575 53.77% 铅 217,550 17,950 8.25% 锌 673,000 110,450 16.41% 锡 11,700 2,650 22.65% 镍 404,766 101,850 25.16%