cold drawing

• 冷拉

cold drawing的用法和样例：

例句

1. The company specialized in drawing steel.
   该公司主要生产冷拉钢。
2. Experiment results show that removing the surface broken crystal layer of the cold drawn rod can prevent heat treatment induced cracks.
   实验结果表明，热处理前去掉冷拉棒表面的碎晶层可以防止它在热处理过程中产生裂纹。