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單相三線;三相三線;三相四線差別的簡單說明
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本影片主要是簡單說明 單相三線三相三線三相四線 在配電箱上的接線差別和用三用電表判別火線中性(零)線簡單說明
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eternautapc
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亂接三相電源導致電器燒毀這組線路到底在接什麼【水電爸爸】
缺這條線把電器燒壞?這集虧大了電源缺線居然這麼嚴重水龍頭變總開關【水電爸爸】
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電學小知識2/三相電源
为什么三相电机不用电容而单电机要电容道理很简单
If we fight again now is it possible for DC to beat AC? Why? [Uncle Scientific Rocket]]
1091020居家配電盤上
電壓還是電流會電死人
Electrical Wiring Basics
直接開電盤來講解為何有三相190V的電壓
定時器定時器種類介紹詳細配線教學 電熱水器加裝定時器
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地電阻接地電阻如何測量Ground resistance
【三相电力系统】是如何运作的
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