摘要
简要介绍了YCJF-20型全液压冲击反循环钻机的结构特点、性能参数以及应用情况。
Brief introduction is made on the structure features, performance parameters and the application situation of YCJF- 20 hydraulic percussive and reverse circulation rig.
出处
《探矿工程(岩土钻掘工程)》
2012年第10期50-52,共3页
Exploration Engineering:Rock & Soil Drilling and Tunneling
关键词
全液压冲击反循环钻机
结构特点
施工效率
hydraulic percussive and reverse circulation drill
structure feature
application situation