This paper summarizes destructive testing techniques for concrete strength focusing on making an induction and analysis on main operating points for each technique.
本文在综述混凝土强度破损检测技术的同时，重点对每项技术的操作要点进行了归纳分析。
Electromagnetic testing and ultrasonic testing are the main points for materials hardness, hardness depth, crystallite size, limiting intensity etc.
对材料硬度、硬化层深度、晶粒大小、极限强度等主要采用电磁检测和超声检测。
The invention discloses a method for testing cable main insulator water tree phenomenon initial points.
本发明公开了一种电缆主绝缘体水树现象起始点的测试方法。
This paper introduces the necessity and some technic difficult points, the contents, testing standards and main achievements for the study.
本文介绍了专题研究的必要性及主要的技术难题，专题研究的主要内容、考核目标及主要成果。
This paper introduces the necessity and some technic difficult points, the contents, testing standards and main achievements for the study.
本文介绍了专题研究的必要性及主要的技术难题，专题研究的主要内容、考核目标及主要成果。
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