问题
多项选择题
机械产品零件的典型失效模式可以划分为()区域。
A.早期失效
B.正常工作
C.功能失效
D.晚期失效
答案
参考答案:A, C, D
机械产品零件的典型失效模式可以划分为()区域。
A.早期失效
B.正常工作
C.功能失效
D.晚期失效
参考答案:A, C, D
从方框中选择恰当的词或短语并用其正确的形式填空。
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