生态材料属性中“recycled”和“recyclable ”都是指组成产品的原料是可再生材料()The both terms of
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生态材料属性中“recycled”和“recyclable ”都是指组成产品的原料是可再生材料()The both terms of "recycled" and "recyclable" mean material within a product can be recycled after the product become obsolete()

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B 参考答案:B
