搜题请搜索小程序“爱下问搜题”
问题 名词解释

静态疲劳

答案

参考答案：

（亚临界生长）裂纹在使用应力下，随着时间的推移而缓慢扩展，这种缓慢扩展也称亚临界生长或静态疲劳。

口语交际，情景问答题

请纠正下面几条标题的错误并说明理由：

（1）深夜偷钓丧命  亡妻愤然上告

纠正错误：                                                                                                                                                         

说明理由：                                                                                                                                                         

（2）违规作弊有法可依了

纠正错误：                                                                                                                                                         

说明理由：                                                                                                                                                         
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单项选择题

以下哪一个是从栈中删除元素的序列

A．BED

B．BDE

C．BEDC

D．BDEC
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