题目内容：
体型高分子受热不会熔化，属热塑性高分子。A．正确
B．错误
参考答案：
判断题：体型高分子受热不会熔化，属热塑性高分子。A．正确B．错误
- 题目分类：机动车维修技术
- 题目类型：判断题
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A．正确
B．错误
A．正确
B．错误
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差分脉冲编码调制
差分脉冲编码调制