金属 库存总量 注销仓单 注销占百分比 铜 594,625 285,350 47.99% 铝 5,37,350 1,975,000 36.78% 铅 182,375 76,800 42.11% 锌 985,375 587,275 59.60% 锡 14,545 2,855 19.63% 镍 215,388 43,044 19.98%