金属 库存总量 注销仓单 注销占百分比 铜 143,700 28,400 19.76% 铝 4,927,500 2,863,600 58.11% 铅 215,900 10,225 4.74% 锌 678,250 63,500 9.36% 锡 12,710 2,305 18.14% 镍 318,114 93,582 29.42%