突出危险煤层的安全、高效开采是突出矿井提高经济效益的重要措施。
The safe and efficient mining of outburst-prone coal seams is an important means to improve economic benefit of an outburst mine.
采用合理的采场结构参数是控制地压危害实现矿体安全高效开采的重要措施。
Adopting some reasonable structural parameters for stope is a key measure to control ground pressure and achieve the safe and efficient exploitation of ores.
这一通风系统可为其他高瓦斯综放面安全高效开采提供了一条新的技术途径。
The ventilation system provides a new method to realize the safe and efficient mining of high gas longwall mining with sublevel caving.
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