9号煤层采掘工程平面图 1775489658834 http://39.106.203.141:8090/iserver/output/temp/9%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_100x100/21476/0x1/318x446_1615288248.png?_t=1775489658834 0 0 256 256 1.9710522684547305E7 4209272.684547244 1.9711977315452814E7 4210727.315452756