rough machining的用法和樣例：
例句
- The rough machining always has to take most of the processing time in the NC machining.
摘要在數控加工過(guò)程中，粗加工往往要占去大部分的加工時(shí)間。 - The model is tested by a typical die-cavity roughing, and shortening machining time and balancing cutting-load can be attained.
通過(guò)典型模具型腔的粗加工試驗驗證，證明該進(jìn)給率優(yōu)化策略不僅可以縮短加工時(shí)間，而且可以使加工載荷均勻。
