The organic chelating agent adopted in the plastic composition has low cost and is sensitive to the laser, so the plastic surface has high activation degree;

本发明的塑料组合物中采用的有机螯合剂，成本低廉且对激光敏感，塑料表面活化程度高；

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Plastic composition: unsaturated resin, glass fiber, enhancer.

塑钢构成：不饱和树脂，玻璃纤维，增强剂。

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That new frequency therefore depends on the composition of the plastic.

ECONOMIST: Recycling