Due to the great depth, good continuity and high reliability of monitoring, bore inclinometer becomes a main monitoring measure for the deformation of foundation pit walls.
钻孔倾斜仪由于监测深度大、监测点连续性好及监测可靠性高，已成为一种主要的基坑壁变形监测手段。
2
Drillers in this unit group operate mobile drilling machines to bore blast holes in open-pit mines and quarries and to bore holes for blasting and for building foundations at construction sites.