Abstract：In this paper on the current market civil constrction、Widely used in municipal construction in the construction of pile foundation of long spiraldrilling machine electrical system design deficiencies, proposed the improvement method, the improved products have been widely acclaimed in the practical application.
李学荣. 基于软起动器的长螺旋钻机电气控制系统改造[J]. 电气技术, 2015, 16(10): 104-106.
Li Xuerong. Rebuilding the Electrical Control System of Long Spiral Drill Soft Starter based on. Electrical Engineering, 2015, 16(10): 104-106.
2015, Vol. 16 
