3) Large rotation passed through empty roadway
大旋转过空巷
4) abandoned roadway
空巷
1.
Practice of using abandoned roadway as retracement channel in fully-mechanized face
利用空巷作为回撤通道的综采工作面回撤实践
5) plough face crossing gob
刨煤机工作面过空巷
1.
The technique of 8114 plough face crossing gob in 301 panel,12~(-2) seam of Jinhuagong mine is introduced,the calculation method of support capability in crossing gob is presented,the mining technique is expounded to offer a refrence to similar mining.
论述了晋华宫矿12-2层301盘区8114刨煤机工作面过空巷的施工技术和过空巷时对空巷支承能力的计算方法,阐明了过空巷时的开采方法及开采工艺,为以后类似条件下开采积累了一定的经验。
6) crossing old roadway
过老巷
1.
Practices of ″Three soft″ unstable coal seam crossing old roadway;
“三软”不稳定煤层过老巷实践
补充资料：空巷
1.荒无人烟的里落。多形容战乱灾荒后的景象。 2.谓居民倾巷而出。
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