ultra precision machining

• 超精密加工

ultra precision machining的用法和样例：

例句

1. The stage is also the base of designing ultra precision machine tools.
   该精密运动平台也是研制超精密加工机床的基础。
2. The ultraprecision machining technique is weigh up important sign of nation science and technology level.
   超精密加工技术是衡量一个国家科学技术水平的重要标志。