3号煤采掘工程平面图 1775488066474 http://39.106.203.141:8090/iserver/output/temp/3%E5%8F%B7%E7%85%A4%E9%87%87%E6%8E%98%E5%B7%A5%E7%A8%8B%E5%B9%B3%E9%9D%A2%E5%9B%BE_100x100/9765/1x0/446x334_605470971.png?_t=1775488066474 0 0 256 256 606870.9809746323 4083155.713433782 607532.3744292944 4083817.1068884446