free forging

例句：

1. 1.The company is known for its free forging process that produces high-quality metal parts.
   该公司以其自由锻造过程而闻名，能够生产高质量的金属零件。
2. 2. In this technique, the material is heated and then forged without any additional pressure or force.
   在这个技术中，材料被加热，然后不施加任何额外压力或力量就被锻造。
3. 3. This method of free forging is often used in the manufacturing of complex shapes and intricate designs.
   这种方法通常用于制造复杂形状和复杂的设计。