Through the seismic wave exploration by us in A2 and A3 working faces,the conditions,velocity,frequency and penetrating distance of seismic wave in the main mining seams are understood preliminary.

• 通过在A2、A3两个面的槽波探测工作，初步了解了其主采煤层的槽波条件、波速、频率和槽波穿透距离。