1·Besides the diameter and inclination of pile foundation drill-hole, it can also be applied to other engineering, such as segmentation sinking, caisson sinking and halite mining by water-solution.
它主要用于测量桩基钻孔的井径与井筒偏斜,也可用于帷幕、沉井井筒测量以及海岸工程、岩盐水溶开采的井下溶腔测量等。