“预锻”造句

介绍了美式八角锤锤体精锻成形新工艺及其预锻模结构设计要点.
Title : New Process and Design of Pre - forming Die for Precision Forging U.S.

锻造过程实现净形和近净形制造关键是优化预锻模的设计.
The key step in flashless forging is to optimize th ed design of preform die shape.