Retro\|reflective array film is formed by inlaid big and small beads, which is generated by laser beam.
用激光制成的微珠 ,并用大小珠镶嵌成逆反射列阵膜 ;从原理上和实验效果上均优于目前具有代表性的中国椒江公司 90 1膜和美国 3M公司 8910膜 。
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