diffusion molding

例句：

1. 1. The process of diffusion molding is crucial for the quality of the final product.
   扩散成型过程对最终产品的质量至关重要。
2. 2. In diffusion molding, a material is placed in a mold and then heated to liquefy it.
   在扩散成型中，将材料放入模具中加热使其液化。
3. 3. The diffusion molding process has become increasingly popular in recent years due to its ability to produce complex shapes with highprecision.
   由于其能够生产复杂形状且精度高，近年来扩散成型工艺越来越受欢迎。