1) reserve tail road method
预留尾巷法
2) stay roadway
尾巷留巷
3) reserved empty roadway
预留空巷
1.
In the light of the geological conditions of tailing-in of reserved empty roadway in 72803 fully-mechanized working face of Nanbapan District, this paper introduces the support method and adopted measures for reserved empty roadway working face, and analyzes its economic benefit.
针对南八盘区72803综采工作面预留空巷收尾的地质条件,介绍了预留空巷工作面支护方式和采取的措施,分析了其经济效益。
4) roadway retaining and borehole drilling
留巷钻孔法
1.
The technique of coal mining and gas extraction by roadway retaining and borehole drilling;
留巷钻孔法煤与瓦斯共采技术
5) middle roadway predenotation
中巷预爆法
补充资料：尾尾
1.形容一个接着一个的样子。 2.娓娓。形容说话言词动听。
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