1) coal driving
掘进煤巷
1.
The "three area" distribution of stress in coal driving is a key factor for delaying the outburst.
掘进煤巷工作面应力"三带"分布对延时突出起着关键作用。
2) heading excavation
煤巷掘进
1.
Hydraulic slotting technology to prevent coal and gas outburst during heading excavation;
煤巷掘进水力掏槽防治煤与瓦斯突出技术
3) coal road driving
煤巷掘进机
4) driving face of coal roadway
煤巷掘进面
5) coal lane high-speed driving
煤巷快速掘进
6) tunneling blasting in coal
煤巷掘进爆破
补充资料：半煤岩巷掘进
见煤巷掘进。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条