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[url=https://www.hellocq.net/forum/u.php?username=BG8AQA FROM CD]BG8AQA FROM CD[/url]:有现成的商品绝缘电阻测试仪卖,总体而言,测绝缘电阻有两种方法,一种是高压,就是普通的绝缘测试仪(摇表也算),另一种是低于,基本就类似电荷放大器+低压直流电压源(比如9v叠层电池 .. (2024-05-21 12:56)
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