09、4号煤层采掘工程平面图 1775488709092 http://39.106.203.141:8090/iserver/output/temp/09%E3%80%814%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_100x100/67182/0x1/376x446_76659275.png?_t=1775488709092 0 0 256 256 621224.7762828327 4336994.665488213 625775.2237171528 4341545.1129225325