flashless die forging

例句：

1. 1. This process is used inthe manufacturing of high-quality steel products.
   这种工艺用于制造高质量的钢铁产品。
2. 2. The flashless die forging technique has been provento be more efficient than traditional methods.
   无闪光锻压技术已被证明比传统方法更高效。
3. 3. In this case, the flashless die forging process was used toproduce a complex part with minimal waste.
   在这种情况下，无闪光锻压过程被用来生产一个复杂的部件，且浪费最小。