金属 库存总量 注销仓单 注销占百分比 铜 158,475 35,275 22.26% 铝 5,005,900 2,949,250 58.92% 铅 213,375 11,375 5.33% 锌 660,800 62,850 9.51% 锡 11,575 2,105 18.19% 镍 307,350 104,352 33.95%