powder forging

例句：

1. 1. The engineer used a special powder forging technique to create the intricate design.
   这位工程师使用了一种特殊的粉末锻造技术来创造这个复杂的设计。
2. 2. Powder forging is an efficient way to produce high-quality parts without the need for expensive machinery.
   粉末锻造是一种高效的生产高质量零件的方法，无需昂贵的机器。
3. 3. During the manufacturing process, the raw material is first ground into a fine powder before being forged into the desired shape.
   在制造过程中，原材料首先被磨成细粉，然后再锻造成所需的形状。