问题
问答题 简答题
夹杂物对钢性能有哪些影响？
答案
参考答案：
（1）形成裂纹
（2）使应力集中
（3）对钢的塑性和韧性影响
（4）对钢的性能影响
（5）对钢的加工性能影响
（6）对疲劳性能影响
（7）电磁性能影响
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夹杂物对钢性能有哪些影响？
参考答案：
（1）形成裂纹
（2）使应力集中
（3）对钢的塑性和韧性影响
（4）对钢的性能影响
（5）对钢的加工性能影响
（6）对疲劳性能影响
（7）电磁性能影响
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| An eight-year-old child heard her parents talking about her little brother. All she knew was that he was very 1 and only a very expensive operation could save him. They were a poor family and no one would lend them the 2 . One day, her daddy said to her tearful mother, "Only a miracle (奇迹) can save him now." 3 this, the little girl went to her bedroom and 4 her money from its hiding place and counted it 5 . Then she hurried to a drugstore with the money in her hand. "My brother Andrew has 6 bad growing inside his head and my daddy says only a miracle can save him. So how much does a miracle 7 ?" "We don't sell a miracle here, child. I'm sorry," the salesman said with a smile. Just then, a well-dressed man heard it and asked,"What kind of miracle does your brother 8 ?" "I don't know," she answered with her eyes full of 9 . "He's really sick and Mum says he needs an operation. But my daddy can't 10 it, so I have brought all my money." "How much do you have?" asked the man. "$1.11, but I can try and get some more," she answered. "Well, what luck," smiled the man. "$1. 11, the 11 of a miracle for your little brother." He took up the girl's hand and said, "Take me to where you 12 . I want to see your brother and meet your 13 . Let's see if I have the kind of miracle you need." That well-dressed man was Dr Carlton Armstrong, a 14 doctor who had saved many people's lives. The operation was 15 and it wasn't long before Andrew was home again. | ||||
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