This is because a discoloring agent composed of a high polymer structure has been added to the clothing material.
热敏变色衣料颜色会随温度变化而不断变化，这是因为在衣料中添加了由高分子材料制成的变色剂。
This is because a discoloring agent composed of a high polymer structure has been added to the clothing material.
热敏变色衣料颜色会随温度变化而不断变化，这是因为在衣料中添加了由高分子材料制成的变色剂。
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