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关于Q235A级钢,其中各符号的含义是( )

单选题
2021-09-01 16:03
A、235表示钢材的屈服强度标准值;A表示级别,对冲击功没有要求
B、235表示钢材的屈服强度标准值;A表示级别,应具有20℃下不小于27J的冲击力要求
C、235表示钢材的屈服强度设计值;A表示级别,应具有20℃下不小于27J的冲击功要求
D、235表示钢材的屈服强度设计值;A表示级别,对冲击功没有要求
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正确答案
A

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