2煤采掘工程平面图 1775495472364 http://39.106.203.141:8090/iserver/output/temp/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_100x100/14540/1x0/446x271_649447797.png?_t=1775495472364 0 0 256 256 234569.63886384785 73033.87420869074 235554.48416981086 74018.71951465379