研究了一种关于大型孔类件的圆度误差测量法·该测量方法具有结构简便，实用可靠，抗干扰性强等特点·。
A measurement method of deviation from circular form of large-scale holes is discussed. It has the characteristics of simple, practical, reliable, and anti-interference.
研究了一种关于大型孔类件的圆度误差测量法·该测量方法具有结构简便，实用可靠，抗干扰性强等特点·。
A measurement method of deviation from circular form of large-scale holes is discussed. It has the characteristics of simple, practical, reliable, and anti-interference.
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