grounding resistance tester的意思|示意

地阻仪 ... 地阻 grounding resistance 地阻仪 grounding resistance tester 递减计数器 Count-Down counter CD ...

大型地网接地电阻测试仪 绝缘油介电强度测试仪-Insulating oil dielectric strength tester 大型地网接地电阻测试仪-Grounding Resistance Tester 配电网电容电流测试仪Distribution network capacitor current tester ..