The method for making umbrella cover materials is to mix the UV absorber and coating base materials and then to conduct coating and baking.
其制做伞面材料方法是将紫外线吸收剂与涂料基料均匀混合后涂布、烘干即可。
The method for making umbrella cover materials is to mix the UV absorber and coating base materials and then to conduct coating and baking.
其制做伞面材料方法是将紫外线吸收剂与涂料基料均匀混合后涂布、烘干即可。
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