多项选择题
A.HRB300 B.HRB335 C.HRB400 D.HRB435 E.HRB500
A.热轧圆盘条 B.热轧光圆钢筋 C.钢绞线 D.工字钢 E.角钢
A.光面钢丝 B.刻痕钢丝 C.螺旋肋钢丝 D.冷拉钢丝 E.普通钢丝
A.1500 B.1550 C.1570 D.1650 E.1860
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