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deformed pre-stressed concrete steel wire
met. 预应力混凝土结构用刻痕钢丝
tech. 预应力混凝土用异形钢丝; 刻痕钢丝; 压波钢丝
deformed pre-stressed concrete steel-wire
met. 预应力混凝土结构用刻痕钢丝