单项选择题
A.热轧带肋钢筋 B.热轧光圆钢筋 C.冷拔低碳钢丝 D.热轧圆盘条
A.410 B.330 C.235 D.345
A.8% B.10% C.2% D.12%
A.1.5 B.1 C.1.2 D.2
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