发布时间:2025-01-19 21:23:39
钢筋混凝土用冷轧带肋钢筋:
CRB550——钢筋直径:4~12mm
CRB600H——钢筋直径:5~12mm
预应力混凝土用冷轧带肋钢筋:
CRB650——钢筋直径:4、5、6mm
CRB650H——钢筋直径:5~6mm
CRB800——钢筋直径:5mm
CRB800H——钢筋直径:5~6mm
CRB970——钢筋直径:5mm
我跟我爸做木楼梯扶手做五年了做出来的楼梯扶手还算可以可油漆还差一点怎么做才能油的好啊
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