At last, an intelligentized testing instrument for electric wire high frequency carrier wave channels is developed.
在此基础上，研制开发出了一套智能化电力线高频载波通道测试装置。
The designing idea, testing principle and realization of electric circuit about the two - frequency eddy testing instrument WFL for aluminum alloy quality inspection are introduced.
论述了用于铝合金质量检测的WF L双频涡流检测仪的设计思路、检测原理和电路实现。
The DC electric machine rotor comprehensive testing instrument solves problems of single function of electric machine rotor testing instrument and inconvenient operation in the prior art.
它解决了现有技术存在的电机转子检测仪功能单一，使用不便。
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