refiner,refining engine,refining mill是什么意思

用法例句

Sapphire dome machining technology is introduced by exploring grinding tool and milling and polishing film and supplement material and machine speed and pressure etc.

分别从精磨模、精磨磨料、抛光膜层、抛光辅料、机床速度和压力等方面介绍了一种加工蓝宝石整流罩的工艺方法。

Testing technology at fine grinding stage of computer controlled aspheric surfacing;

计算机控制非球面加工精磨阶段的检测技术