hot injection moulding

例句：

1. 1. This hot injection moulding process is crucial for the product's quality and efficiency.
   这一热注射成型过程对于产品的质量与效率至关重要。
2. 2. The company uses hot injection moulding to produce high-quality plastic parts.
   该公司使用热注射成型技术生产高质量的塑料部件。
3. 3. In hot injection moulding, the material is heated before being injected into a mold cavity.
   在热注射成型中，材料在被注入模具腔之前会被加热。