7号煤层采掘工程平面图 1775530490170 http://39.106.203.141:8090/iserver/output/temp/7%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_100x100/21036/0x1/372x446_810932970.png?_t=1775530490170 0 0 256 256 579579.3798102513 4073494.9282688173 581004.1854269113 4074919.7338854773