自行車頭燈亮度問題 - 自行車
By Aaliyah
at 2008-01-11T00:00
at 2008-01-11T00:00
Table of Contents
有看到一篇報導,想請問一下,在歐洲,自行車使用發達的國家,包括德國、法國、英國等,對自行車燈具均訂有相關法規標準,尤其以德國最為嚴謹。在德國,自行車燈具為強制性認證之產品,其照射出來的亮度、明暗區塊配置等都有一定的光型要求,例如頭燈的中央亮度必須達10Lux以上,如此才能確保
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自行車
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