问题
问答题 简答题
计算题:35Cr钢的Ac1温度为740℃、Ac3温度为815℃,不完全退火温度高出Ac1温度30~50℃,淬火温度高出Ac3温度50℃,试确定不完全退火温度?
答案
参考答案:
退火温度T1=740+30=770℃,T2=740+50=790℃
退火温度为770℃~790℃。
计算题:35Cr钢的Ac1温度为740℃、Ac3温度为815℃,不完全退火温度高出Ac1温度30~50℃,淬火温度高出Ac3温度50℃,试确定不完全退火温度?
参考答案:
退火温度T1=740+30=770℃,T2=740+50=790℃
退火温度为770℃~790℃。
选择合适的句子,将对话补充完整,将字母编号填在横线上。 | |
Amy: Hello, Mike. This is Amy. Tomorrow is Sunday. Mike: I am going to the Yong Zheng Bookstore. Amy: Good! I want to go, too. Mike: I'm going to buy a Chinese-English Dictionary. Amy: Great! I want to buy a Chinese-English Dictionary, too. Mike: I'm going at 10:00 in the morning. Amy: Mike: I get there by bus. It's two yuan. It's cheap. Amy: Mike: Yes, the bookstore is next to the post office. See you tomorrow. Amy: See you.
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