fissure zone造句怎么写

Research on the law of fissure zone of conducting-water development and overlying strata cycle breakage mining under water-rich rock layer

The paper also presents measures for preventing drilling hole curve, drilling technique in broken zone and fissure zone and technique of sealing hole and pluging loophole.

The pilot study indicates that the PS wave amplitude anomaly will hopefully be a convincing criterion to detect fissure zone.

This paper analyzed the influence of mining depth, coal seam dip, mining height and face length on depth of floor water-conductive fissure zone.