摘要
分析了目前国内常见锚杆扩底钻具的结构特点及适用条件,在此基础上,介绍了MRA-1型锚杆扩底钻具的结构、适用条件及使用情况。
The usage conditions and structure specialty of common anchorage reaming tools within China were analyzed. The performances, structure specialty and usage conditions of Anchor Reaming Tool MRA-1 were introduced.
出处
《探矿工程（岩土钻掘工程）》
2005年第11期34-36,共3页
Exploration Engineering:Rock & Soil Drilling and Tunneling
关键词
锚杆扩底钻具
结构
适用条件
anchor reaming tool
structure
usage condition
