hot closed-die forging

例句：

1. 1. The process of hot closed-die forging is crucial in the manufacturing of high-quality steel products.
   热锻过程对于制造高质量钢材产品至关重要。
2. 2.In hot closed-die forging, metal is heated to a high temperature and then rapidly deformed by a die.
   在热锻过程中，金属被加热至高温，然后通过模具迅速变形。
3. 3.Hot closed-die forging is an efficient method for producing complex shapes in metal parts.
   热锻是一种高效的方法，用于生产金属零件的复杂形状。