Note 2: the properties and rules for the use of indented bars with precast concrete products may be found in the relevant product standard.
注2：与预制混凝土产品一起使用的刻痕钢筋的性能和规定在相关的产品标准中可以查到。
2
Technology: cast iron heating it to good precast bent for the heating requirements. Add to die, from using hot metal casting, then finished, to be the ideal product.