大通矿采掘工程平面图 1775522587543 http://39.106.203.141:8090/iserver/output/temp/%E5%A4%A7%E9%80%9A%E7%9F%BF%E9%87%87%E6%8E%98%E5%B7%A5%E7%A8%8B%E5%B9%B3%E9%9D%A2%E5%9B%BE_100x100/23742/1x0/446x349_1259496654.png?_t=1775522587543 0 0 256 256 1.968294593424311E7 3974605.2079483415 1.968455406170373E7 3976213.335408963