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【单选题】
将钢件加热到临界点以上一定温度,并保留一定时间,后缓慢冷却的过程叫做( )。
A.
正火
B.
回火
C.
调质
D.
退火
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D.
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B.
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A.
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B.
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D.
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【简答题】阅读理解 As the railroads and the highways shaped the American West in the past centuries, a new electrical generating(发电)and transmission(输送) system for the 21st century will leave a lasting mark on the ...
【单选题】所谓后悔的事,就是曾经没有做出更好的选择,那么:
A.
生涯规划就是为了避免生涯后悔
B.
后悔是无法避免的,因为时间会改变一切
C.
再好的选择,未来都有可能是后悔的
D.
生涯规划的目的就是为了减少生活后悔
【单选题】所谓后悔的事,就是曾经没有做出更好的选择,那么
A.
生涯规划就是为了避免后悔
B.
后悔是无法避免的,因为时间会改变一切
C.
再好的选择,未来都有可能是后悔的
D.
生涯规划可以减少后悔
【简答题】As the railroads and the highways shaped the American West in the past centuries, a new electrical generating(发电)and transmission (输送) system for the 21st century will leave a lasting mark on the West...
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