為什麼日光燈管 壞了時會焦黑? - 生活
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By Doris
at 2006-01-03T00:00
at 2006-01-03T00:00
Table of Contents
為什麼日光燈管 壞了時會焦黑?
有什麼反應嗎? 還是什麼物質?
(發問欄裡還有問題未得解 或不甚了解 歡迎蒞臨指教)
有什麼反應嗎? 還是什麼物質?
(發問欄裡還有問題未得解 或不甚了解 歡迎蒞臨指教)
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生活
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By Megan
at 2006-01-03T07:07
at 2006-01-03T07:07
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By Sandy
at 2006-01-04T10:43
at 2006-01-04T10:43
因為啟動瞬間脈衝電流大,將燈絲蒸發,久而久之兩端就會黑黑的~
這該不會是期末考題目吧!
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