MRA-1型锚杆扩底机具的结构特点及使用情况

Performance and Structure Specialty of Anchor Reaming Tool MRA-1

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。

Abstract:

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.