3号煤采掘工程平面图 1775487827771 http://39.106.203.141:8090/iserver/output/temp/3%E5%8F%B7%E7%85%A4%E9%87%87%E6%8E%98%E5%B7%A5%E7%A8%8B%E5%B9%B3%E9%9D%A2%E5%9B%BE_100x100/36868/1x0/446x215_347280680.png?_t=1775487827771 0 0 256 256 505501.22450787394 3939768.2824699343 507998.41549212596 3942265.473454186