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钢筋混凝土结构中φ12代表直径为12mm的何种钢筋?()

单选题
2022-01-03 13:00
A、HPB235钢筋
B、HRB335钢筋
C、HRB400钢筋
D、RRB400钢筋
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正确答案
A

试题解析

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