15号煤层采掘工程平面图 1775519182632 http://39.106.203.141:8090/iserver/output/temp/15%E5%8F%B7%E7%85%A4%E5%B1%82%E9%87%87%E6%8E%98%E5%B7%A5%E7%A8%8B%E5%B9%B3%E9%9D%A2%E5%9B%BE_100x100/19468/1x1/440x446_1868079088.png?_t=1775519182632 0 0 256 256 3.846164118208672E7 4136570.682086614 3.846295981791349E7 4137889.317913386