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本文介绍一种新型的表面粗糙度测量仪，该仪器具有精度高、便于携带、适应面广等特点。本文分析了该测量仪的测量原理，同时给出了该测量仪的电路结构、工作过程和技术指标。
This article describes a new type of surface roughness measuring instrument, the instrument has high precision, easy to carry, wide adaptability and so on. This paper analyzes the measurement principle of the measuring instrument, at the same time gives the measuring instrument circuit structure, working process and technical indicators.