基于电磁原理，构建实验装置，以研究水泥杆中钢筋的检测方法。
This paper introduces an experimental device used in research on electromagnetic test of cement pole.
锚杆支护在特殊条件下的作用原理是对围岩吊挂固定。
The supporting principle of rockbolt under special construction situation is reinforcing the surrounding rock mass.
锚杆支护在特殊条件下的作用原理是对围岩吊挂固定。
The supporting principle of rockbolt under special construction situation is reinforcing the surrounding rock mass.
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