[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

认准反光条符合EN ISO 20471或EN 17353标准,反光材料逆反射系数≥330 cd/lx/m²才能在夜间车灯下有效反光,普通印花反光贴系数常低于50不可靠

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