At last, an intelligentized testinginstrument 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。
2
The designing idea, testing principle and realization of electric circuit about the two - frequency eddy testinginstrument 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。
3
The DC electric machine rotor comprehensive testinginstrument solves problems of single function of electric machine rotor testinginstrument and inconvenient operation in the prior art.