[仪]
roundness measuring instrument
... 圆盘式旋转流量计 nutating-disk meter 圆形测量仪表 roundness measuring instrument 约利仪 Jolly's apparatus ...
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roundne measuringi trument
... rounding倒圆 roundne measuringi trument圆形测量仪表 roundne 圆度 ...
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