Ptt 大爆卦 | LED 9W 亮度 - 前往 https://zh-tw.facebook.com/philipsgen103/posts/%E9%80%99%E5%85%A9%E5%BC%B5%E7%85%A7%E7%89%87%E7%A0%B4%E8%A7%A3%E8%AC%A0%E8%A8%80led-7w-%E7%9C%81%E9%9B%BB%E7%87%88%E6%B3%A1-21w-%E9%8E%A2%E7%B5%B2%E7%87%88%E6%B3%A1-40w%E9%80%99%E5%80%8B%E8%AC%A0%E8%A8%80%E4%B9%8B%E5%89%8D%E9%82%84%E5%9C%A8%E7%B6%B2%E8%B7%AF%E4%B8%8A%E5%A0%B1%E7%B4%99%E4%B8%8A%E5%A4%A7%E8%82%86%E5%A0%B1%E5%B0%8E%E5%B0%B1%E9%80%A3%E5%9C%A8%E6%99%9A%E4%B8%8A%E4%B8%83%E9%BB%9E%E9%90%98%E7%9A%84%E5%A0%B1%E5%91%8A%E6%96%B0%E8%81%9E%E8%A3%A1%E6%88%91%E4%B9%9F%E8%A6%AA%E7%9C%BC%E7%9C%8B%E8%A6%8B%E9%81%8E%E5%AE%83%E8%A2%AB%E5%A0%B1%E5%B0%8E%E5%87%BA%E4%BE%86%E5%85%A7%E5%AE%B9/653561914747334/

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照明達人的智識寶庫- 這兩張照片破解謠言LED 7W = 省電燈泡 ...

LED 7W = 省電燈泡21W 就理論上來說要達成相同的亮度，以廠商的資料看來21W 螺旋燈泡亮度約1260 流明，倘7W LED 燈泡要達此亮度，每瓦的流明數得要高達180 ...

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