Hydraulic Roofbolter is the key equipment for Ground Anchorage Engineering, and has very important affection to the quality of the engineering.

液压钻机是岩土固的关键设备，对量有重要影响。

The effect of blasting load on anchored birder is a hot research issue in disaster prevention and mitigation of hydroelectricity project.

爆破荷载对固梁作用的研究是水电防减的一个热点问题。

Uncompacted location and grouting saturation degree in the zone of anchorage bar are the two main parameters for judging rock bolts quality.

摘要固体内不密实的位置和灌浆饱和度是评量的两个重要参数。