摘要
本文简述了益新煤矿3N222#层左五段回风道(底板巷)掘进施工期间通过本煤层顶板旧巷的生产实践,并分析了原因。
This paper introduces the yi new coalmine 3n2 22 # the back of the five return airway progress during construction of the lane through the coal seams intermixed apical plate the old lane of practice,and analyse the cause.
出处
《科技传播》
2011年第19期160-160,162,共2页
Public Communication of Science & Technology
关键词
煤层
探眼
高分子加固材料
生产接续
Coal seam
Scout boring
Polymer reinforce material
Carry over
