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[問題求助] 請問插座中性線理論上是零電位不帶電..但為什麼還會電人呢 |
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發表於 2012-8-20 17:57:33
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發表於 2012-8-20 18:21:13
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發表於 2012-8-21 01:46:16
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發表於 2012-8-21 15:02:03
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發表於 2012-8-21 17:23:17
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發表於 2012-8-22 11:34:30
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發表於 2012-8-22 12:19:36
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發表於 2012-8-22 12:28:41
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發表於 2012-9-13 15:00:51
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