[KongchangAI]
Unverified82% confidenceFactTime unknown

3M工程级反光膜(如钻石级DG³系列)采用全棱镜技术,逆反射系数可达数百cd/lx/m²,是道路交通标志和车辆安全标识的行业基准材料

1
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82%
Confidence
Long-term
Relevance
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