金属 库存总量 注销仓单 注销占百分比 铜 166,500 14,700 8.83% 铝 4,292,450 2,275,575 53.04% 铅 220,200 9,425 4.28% 锌 690,825 86,625 12.54% 锡 11,270 1,445 12.82% 镍 405,294 98,562 24.32%