论文部分内容阅读
本文对我国煤矿井巷锚喷支护技术的发展作了全面回顾,指出近几年的主要进步和发展,提出了存在问题及解决方略。
This paper makes a comprehensive review of the development of bolt and shotcrete support technology in coal mine shaft, points out the major progress and development in recent years, puts forward the existing problems and solutions.