The application of the geology mining condition and the gob-side entry support technology in haulage roadway No. 451 face are introduced.
介绍了45 1工作面运输平巷的地质采矿条件及沿空留巷支护技术在该巷的应用情况。
2
According to the cracking trouble of MDY-150 chainless haulage winning machine travel wheel's supporting base in working progress of working face, puts forward hanlding method.