磁场环境下的绝缘破坏时间依赖于磁力线与试样表面的相对夹角。
The time to dielectric breakdown under magnetic field depended on the relative Angle between magnetic field and sample surface.
自行研制了大电机定子绝缘超声波检测系统，它能同时显示被测试样的A扫描脉冲回波和C扫描平面图。
A new ultrasonic testing system has been developed for application to stator insulation of large generator. It provides A-scan signals and C-scan map for tested specimen.
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