電壓表指針會動的問題 - 生活
By Robert
at 2012-10-30T00:00
at 2012-10-30T00:00
Table of Contents
請教各位,電壓表的壓克力板被碰觸後,指針從420V降到320V,大約15分鐘後,指針又跑回420V,請問這是什麼問題?PS.已量測過電壓確為420V。謝謝大家的解答!
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生活
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By Mason
at 2012-10-31T17:00
at 2012-10-31T17:00
By Liam
at 2012-11-02T17:01
at 2012-11-02T17:01
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