(外文翻译)机械加工表面质量

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附录1 外文翻译（英文原文）
The Surface Quantity While Machine Processes

Abstract:The breakage of the machine spare parts， generally always from the surface layer beginning of.The function of the product， particularly its credibility and durable， be decided by the quantity of the spare parts surface layer to a large extent.Purpose that studies the machine to process the surface quantity be for control the machine process medium various craft factor to process the surface quantity influence of regulation，