一般而言，磨削被认为是一种通常用于获得高尺寸精度和较好表面光洁度的精加工作业。

Generally, grinding is considered to be a finishing process that is usually used for obtaining high-dimensional accuracy and better surface finish.

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着重点几乎在改善员工作业效果的方法上，表面看似管理本身什么也没有做。

What this meant was that the focus was almost exclusively on the tactics of improvement at the worker level with virtually no work done by management itself.

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由于机加工能获得比其它制造作业更好的表面光洁度，所以机加工作业具有实用价值。

Machining operations are utilized in view of the better surface finish that could be achieved by it compared to other manufacturing operations.

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