ultrafining heat-treatment

例句：

1. 1. The ultrafining heat treatment process is crucial for the quality of the final product.
   超精加工热处理过程对于最终产品的质量至关重要。
2. 2.In the manufacturing industry, ultrafining heat treatment is often used to improve the strength and durability of metal parts.
   在制造业中，超精加工热处理通常用于提高金属部件的强度和耐用性。
3. 3. The ultrafining heat treatment technique has been developed to enhance the surface finish and reduce defects inmachine parts.
   超精加工热处理技术已被开发出来，以改善机器零件的表面质量并减少缺陷。