巴西采购需求：冷拔钢丝、预应力混凝土钢绞线、低松弛七股预应力混凝土钢绞线、混凝土预应力用高强度钢丝、预应力混凝土钢绞线、混凝土预应力用高强度钢绞线

原文：Cold-Drawn Wire, Prestrestressed Concrete Strand, Low Relaxation Seven-Wire Strand for Prestressed Concrete, High Tensile Steel Wire for the Prestressing of Concrete, PC Strand, High Tensile Steel Strand of the Prestressing of Concrete