The result shows that the borehole destruction occurs in the dynamic process of coal face advancing, and it is more stable when the borehole location is close to tailgate.
认为钻孔的破坏是随着工作面推进而发生的动态过程，布置在靠近回风巷侧钻孔更加稳定。
The result shows that the borehole destruction occurs in the dynamic process of coal face advancing, and it is more stable when the borehole location is close to tailgate.
认为钻孔的破坏是随着工作面推进而发生的动态过程，布置在靠近回风巷侧钻孔更加稳定。
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