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Properties of preventing ultraviolet ray of polyurethane are raised after adding ultraviolet ray absorbent.
添加了紫外线吸收剂,可以提高聚氨酯的抗紫外线照射性能。
youdao
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Properties of preventing ultraviolet ray of polyurethane are raised after adding ultraviolet ray absorbent.
添加了紫外线吸收剂,可以提高聚氨酯的抗紫外线照射性能。
youdao