ram extrusion

例句：

1. 1. The ram extrusion process is used in the production of metal parts.
   拉模机过程用于金属部件的生产。
2. 2. The engineer designed a new ram extrusion machine to improve efficiency.
   工程师设计了一种新型的拉模机以提高效率。
3. 3. The company uses ram extrusion technology to produce high-quality plastic products.
   该公司使用拉模技术生产高质量的塑料产品。