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地電阻-接地電阻-如何測量-Ground resistance

⏲ 8 minutes 43 seconds 👁 210.4K

知识与技巧 #011 - 电阻和阻抗

⏲ 14 minutes 53 seconds 👁 2K

基础电学漫谈062 电阻Resistance、电抗Reactance、阻抗Impedance

⏲ 12 minutes 19 seconds 👁 2.2K

遲來的接地測量，老闆說隨便打都10歐姆以下!!

⏲ 19 minutes 36 seconds 👁 20.7K

電感在電路中起什么作用的，電感的工作原理

⏲ 4 minutes 18 seconds 👁 121.9K

Electronic Circuit in 11 Minutes

⏲ 11 minutes 17 seconds 👁 856.8K

120伏变240伏 - 如何在北美使用中国220伏电器（Change 120V Receptacle to 240V Receptacle)

⏲ 17 minutes 45 seconds 👁 6.3K

不用一个公式，让你明白无功功率！

⏲ 5 minutes 7 seconds 👁 46.5K

電壓還是電流會電死人

⏲ 8 minutes 46 seconds 👁 532K

翻修、自用住宅接地施作#接地棒施作＃是誰說鋼筋隨便插一插就可以的＃8呎接地棒＃240公分接地棒

⏲ 11 minutes 38 seconds 👁 54.7K

DIY车库新增 Sub Panel 以及240V插座 | 从所需材料到全部过程 | 干货满满

⏲ 20 minutes 9 seconds 👁 8.3K

为什么零线和地线之间电阻是0？地线能当零线用吗？太容易混淆了

⏲ 4 minutes 12 seconds 👁 28.6K

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