cold roll forming

例句：

1. 1.The steel is being cold rolled to improveits strength and toughness.
   钢材正在被冷轧以提高其强度和韧性。
2. 2. This processis crucial for cold rolling forming parts.
   这个过程对于冷轧成型部件至关重要。
3. 3. The cold rollingforming process has many advantages over traditional methods.
   与传统方法相比，冷轧成型过程有许多优点。