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【简答题】
测量一般可分为 ( ) 测量和 ( ) 测量。用拉伸法测量金属丝的弹性模量属于 ( ) 测量。
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举一反三
【单选题】Even if you ____able to come yesterday, you should have let us know.
A.
could not be
B.
can not be
C.
can have not been
D.
had not been
【单选题】拉伸试验时,试样拉断前能承受的最大标称应力称为材料的 。
A.
屈服点
B.
抗拉强度
C.
弹性极限
D.
剪切强度
【简答题】Miracles(奇迹)will happen if you don't give up trying. Even if you have 16 for one hundred times, you may succeed when you try for the 10lst time. When I was born, my doctor told my mother that there wa...
【单选题】拉伸试验时,拉伸试样拉断前能承受的最大标称应力称为材料的 。
A.
屈服强度
B.
抗拉强度
C.
弹性极限
D.
刚度
【单选题】拉伸试验时,试样拉断前能承受的最大标称应力称为材料的 。
A.
屈服强度
B.
抗拉强度
【单选题】Even if you had not been able to see her, you ______ us.
A.
told
B.
had told
C.
should tell
D.
should have told
【单选题】拉伸试验时,试样拉断前能承受的最大标称应力称为材料的 。
A.
屈服点
B.
抗拉强度
C.
弹性极限
【单选题】拉伸试验时,试样拉断前能承受的最大标称应力称为 。
A.
、屈服强度
B.
、抗拉强度
C.
D.
空白
【简答题】the cost of taking on with an extra employee. But even if you are not able to ____
【简答题】Miracles(奇迹)will happen if you don’t give up trying. Even if you have 1 for one hundred times, you may succeed when you try for the 10lst time. When I was born, my doctor told my mother that there was...
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