金属的冷变形产生加工硬化现象,使强度、硬度增加,而()
A.塑性、脆性下降
B.韧性、脆性下降
C.塑性、韧性下降
D.弹性、韧性下降
参考答案:C
金属的冷变形产生加工硬化现象,使强度、硬度增加,而()
A.塑性、脆性下降
B.韧性、脆性下降
C.塑性、韧性下降
D.弹性、韧性下降
参考答案:C
My mother is a kind and nice woman. 小题1:____ One Sunday night, when I was watching the film Harry Potter very happily, she asked me to go to bed. 小题2:______ that I didn’t move. But for a while, I noticed that she didn’t say anything. 小题3:_____ I was so sad and that I went into my room and cried. I thought “I have only two nights in a week to enjoy the TV. 小题4:_____”The next day she cooked and talked with me as usual. I pretended not to hear, but she didn’t mind and told me why she didn’t allow me to watch TV. 小题5:_____ Then I understood her. I love my mother.
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