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節能減碳相關問題

Jul 13th 2013, 08:03

假如:
(1)每開燈10小時關掉2小時
(2)每開燈15小時關掉9小時
(3)每開燈12小時關掉12小時
(4)全天開著
(上述指的是住家門口之照明燈)

請問這五種開燈方式，何者對燈泡的傷害較小?
那對燈泡傷害若較小，就一定是較省電的嗎?

可否順便給些電器使用的小撇步嗎?
謝謝了~

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