摘要
介绍了全风压钻孔排放法的作业方法及基本原理 。
The method and rules of full air pressure drill draw method are introduced,and the advantages and notice are expounded.
出处
《煤炭技术》
CAS
2001年第10期26-27,共2页
Coal Technology
关键词
巷道贯通
瓦斯排放
全风压
钻孔布置
启封密闭
roadway threaded together
drawing out gas
full air pressure
distribution of hole
open the hermetization