问答题

2、 The word ( ) itself usually refers to the deterioration of metals and ceramics, while similar phenomena inplastics generally called ( ) A. recrystallization.... corrosion B. recrystallization...deg

【参考答案】

答案:B

解析: 选项中的 "recrystallization" 指的是再结晶,这是一......

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