求翻译：氧化膜厚度的变化控制不好就造成磨削力对工件的冲击，从而在工件表面产生较深的磨痕，达不到纳米表面质量要求；为了达到纳米级加工表面，不得不延长加工时间，使得氧化膜的抛光作用将工件加工到纳米表面要求是什么意思？

Poor change control of the oxide film thickness caused by the grinding of the impact force on the workpiece, and a deeper grinding marks on the workpiece surface to reach the nano surface quality requirements; had to extend the processing time in order to reach the surface of nano-scale processing,

oxide film thickness control over the changes caused by grinding of workpieces, which impact on the workpiece surface grinding marks a relatively deep, nm surface quality requirements; and in order to achieve nano-machined surface, and have to be extended processing time, so that the polished oxide

The oxidized film thickness change control is not good creates the grinding strength to the work piece the impact, thus produces the deep polishing scratches in the work piece surface, cannot meet the nanometer surface quality requirements; In order to achieve the nanometer level processing surface,

Poor change control of oxide film thickness on impact of grinding force on the workpiece, thereby producing a deeper in the workpiece surface galling, fall short of nano-surface quality requirements; in order to achieve nanometer level surface, had to extend the processing time, making polishing eff

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