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PSB1080精轧螺纹钢-PSB930精轧螺纹钢-PSB830精轧螺纹钢-PSB...
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PSB500精轧螺纹钢,PSB785精轧螺纹钢.PSB830精轧螺纹钢.PSB930精轧螺纹钢.PSB1080精轧螺纹钢,15.2预应力钢绞线规格主要有:Φ15.Φ20.Φ25.Φ28.Φ32.Φ36.Φ40.Φ50mm.常用的主要有25mm,32mm.配套锚具主要有...轧螺纹钢筋 PSB830精轧螺纹钢&PSB830精轧螺纹钢筋 PSB78...5精轧螺纹钢*PSB785精轧螺纹钢筋 PSB500精...
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