发布时间:2025-01-31 09:00:11
测量三枪视放电压,应该在120V左右,如果哪一枪电压过低或接近0V,则是那一枪的视放管有问题。一般都是视放管漏电所致,将视放管折下把三脚之间刮干净,既解决问题。
一个三角形面积为176平方米底为22米求高带入原公式求高是多少
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