久草视频免费黄站|天堂亚洲精品国产|免费试看一区二区|国产一区高清无码|九九在线视频青春草|国外91精品在线见看视频|久久久18禁欧美色图偷窥|五月婷婷久久国产|国产欧美日韩18|深爱激情影音先锋

單位:噸
--------------------------------------
金屬        總存量        漲跌
銅         107425         +3150
鋁         506400        -2000
鋁合金      1920          0

鉛          55350          +500
鋅          153575         +0
錫          6390           +20
鎳          37170         -0
---------------------------------------