发布时间:2025-02-04 22:13:53
开关不带电合闸时,用万用表电阻档测量空气开关对应的输入、输出端,电阻为零;开关不带电分闸时,用万用表电阻档测量空气开关对应的输入、输出端,电阻接近于无穷大。那就说明空气开关是好的。
从龙华富士康南门到宝安区新城建安一路的中国银行支行怎么坐车急求高手解答
2025-02-04 22:13:53 2025-02-04 22:13:53 2025-02-04 22:13:53 2025-02-04 22:13:53 2025-02-04 22:13:53 2025-02-04 22:13:53 2025-02-04 22:13:53 2025-02-04 22:13:53 2025-02-04 22:13:53 2025-02-04 22:13:53 2025-02-04 22:13:53 2025-02-04 22:13:53 2025-02-04 22:13:53 2025-02-04 22:13:53 2025-02-04 22:13:53 2025-02-04 22:13:53 2025-02-04 22:13:53 2025-02-04 22:13:53 2025-02-04 22:13:53 2025-02-04 22:13:53 2025-02-04 22:13:53 2025-02-04 22:13:53 2025-02-04 22:13:53 2025-02-04 22:13:53 2025-02-04 22:13:53 2025-02-04 22:13:53