摘要
介绍了利用直眼菱形掏槽、采用中深孔光爆技术 。
This paper introduces the rhombus cut and the mid-deep-hole smooth blasting technology,and by means of reasonable labour orgni zation circle and measures can realize fast heading in rock dirift
出处
《煤炭技术》
CAS
2001年第11期28-30,共3页
Coal Technology