随着机械加工自动化程度的提高，对表面粗糙度在线测量提出了越来越高的要求。
The advance in manufacturing automation has created the need to develop in-process measurement of surface roughness.
本文论述现场总线产生的背景，介绍了CAN现场总线的特点，并讨论了在机械加工自动化中的应用。
In this paper, the background of producing the Fieldbus is introduced. The paper discusses the characteristic of CAN bus and the application of automatic manufacture.
公司主要从两方面开展工作，一方面从事精密机械零部件，非标零件加工，工装夹具，自动化设备的开发，设计及制作。
Companies to work in two major areas, on the one hand engaged in precision machinery parts, non-standard parts processing, fixture, automation equipment development, design and production.
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