【摘要】 概括介绍了BT-121型液压锚孔钻机的主要结构和技术特征,详细分析了其液压系统和风动及联动系统的设计。更多还原

【Abstract】 This paper briefly introduces the hydraulic anchor-hole drill model BT-121 made in Sweden in aspects of structure and technical features,and details the design of hydraulic system with auther’s appreciation.更多还原