4-2煤采掘工程平面图 1775528309977 http://39.106.203.141:8090/iserver/output/temp/4-2%E7%85%A4%E9%87%87%E6%8E%98%E5%B7%A5%E7%A8%8B%E5%B9%B3%E9%9D%A2%E5%9B%BE_100x100/45418/1x0/446x310_804414475.png?_t=1775528309977 0 0 256 256 3.744073502031111E7 4316663.265909038 3.744381130794621E7 4319739.553544139