two-step die

例句：

1. 1. This two-step die is used to make precise parts for complex machinery.
   这个两步式模具用于制造复杂机械的精确部件。
2. 2. The engineers designed the two-step die with meticulous attention to detail.
   工程师们仔细设计了两步式模具。
3. 3. The two-step die was a breakthrough in the field of plastic injection molding.
   两步式模具在塑料注射成型领域是一个突破。