本文在对国内外电力电缆护层测距仪的现状进行分析的基础上，设计了一种新型的电力电缆护层故障测试仪。
Based on the investigation of development state of the cable sheath fault location devices home and abroad, a new cable sheath fault testing device is designed in this thesis.
本文在对国内外电力电缆护层测距仪的现状进行分析的基础上，设计了一种新型的电力电缆护层故障测试仪。
Based on the investigation of development state of the cable sheath fault location devices home and abroad, a new cable sheath fault testing device is designed in this thesis.
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