4-2煤采掘工程平面图 1775528436173 http://39.106.203.141:8090/iserver/output/temp/4-2%E7%85%A4%E9%87%87%E6%8E%98%E5%B7%A5%E7%A8%8B%E5%B9%B3%E9%9D%A2%E5%9B%BE_100x100/46275/1x0/446x305_93643964.png?_t=1775528436173 0 0 256 256 3.7440604727580816E7 4316634.217854827 3.744373911132434E7 4319768.601598349