... [真]圆度规 roundness gauge [真]圆度规 roundness gauge [真]圆度量测装置 roundness measurement device ...
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roundness gauge
圆度仪
以上为机器翻译结果，长、整句建议使用 人工翻译 。
A special test gauge for large aperture inner diameter and roundness is designed in this paper, and the gauge error is analyzed by calculating and determining its parameters.
介绍一种大孔径内径和圆度专用检验量具的设计，并通过计算确定该量具的设计参数并对该量具进行误差分析。
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