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问题详情

塑料的性质主要取决于（）

A、所用增塑剂的性质

B、所用合成树脂的性质

C、所用固化剂的性质

D、所用填充剂的性质

时间：2021-09-02 13:45 关键词：国家开放大学建筑材料(A)

答案解析

B

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