1. 磨削：1 前言 磨削(Grinding)是一种利用磨轮(Grinding Wheel)作高速旋转及微小深度(微小量),磨削工件表面或内孔,以获得精密形状及表面粗度的加工技术. 磨削加工的特色: (1)每一颗微细磨粒,其作用相当于一把细微刀刃,磨削加工,

2.

2. 磨：(二) 研磨(grinding)将凝聚之颗粒利用机械力碎裂成原始粒子. (三) 分散(dispersion)是将已湿润的原始粒子通过物理外力的作用使之均匀分布于液体媒介物从而产生持久的粒子分离.

1. 没完没了的；无休止的；毫无起色的
    If you describe a bad situation as grinding, you mean it never gets better, changes, or ends.

    e.g. Their grandfather had left his village in order to escape the grinding poverty.
           为了摆脱贫困的煎熬，他们的祖父离开了村子。
    e.g. ...the grinding difficulty of getting to the stadium.
           想要进入体育场困难重重

2. 突然停顿下来
    If you say that something comes to a grinding halt, you are emphasizing that it stops very suddenly, especially before it was meant to.

    e.g. A car will come to a grinding halt if you put water in the petrol tank.
           如果把水灌进油箱，汽车会猛然间停下来。

3. see also: grind

1. a harsh and strident sound (as of the grinding of gears)

2. material resulting from the process of grinding

    e.g. vegetable grindings clogged the drain

3. the wearing down of rock particles by friction due to water or wind or ice

    Synonym: abrasionattritiondetrition