三软"厚煤层综放工作面支护设备技术改造

Technique Reform of Supporting Equipment in “Three Soft” Thick Seam for Fully Mechanized Caving Face

郑州矿区综采放顶煤开采技术经过多年生产实践,并进行了大量技术改造,大大提高了放顶煤支架对"三软"煤层的适应性。