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LED News: How bright is a light bulb? Lumens Vs. Watts
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日期：2026-04-19
行動版 - 2011年5月24日 - This 5W LED from WholesaleLED.com has · 400 lumens of light. ... watt with an LED bulb. Compare that to an incandescent, which only produces 12-17 lumens per watt....看更多
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