[KongchangAI]
Unverified85% confidenceFactTime unknown

3M反光材料按等级分为工程级(EG)、超强级(HIP)、钻石级(DG3),钻石级采用微棱镜技术反光效率是工程级玻璃微珠的3倍以上

1
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85%
Confidence
Long-term
Relevance
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