Industrial test method of open - cut mine rotary blast hole drill 露天矿用牙轮钻机和旋转钻机工业试验方法
2.
Standard guide for use of direct air - rotary drilling for geoenvironmental exploration and the installation of subsurface water - quality monitoring devices 地质环境勘探和地下水质量检测装置安装用直接气体旋转钻机的使用标准导则
3.
Standard guide for use of direct rotary drilling with water - based drilling fluid for geoenvironmental exploration and the installation of subsurface water - quality monitoring devices 地质环境勘探和地下水质量检测装置安装用带水基钻流的直接旋转钻机的使用标准导则