多选题:建筑钢材拉伸性能的指标包括(  )。

题目内容:
建筑钢材拉伸性能的指标包括(  )。 A.屈服强度
B.疲劳强度
C.抗拉强度
D.抗折强度
E.伸长率

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Infact, allofthesedevicesaredesignedbyhiminhissparetime.

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