... 螺桨流速仪 propeller current meter 真圆 proper circle 固定运动，自行 proper motion ...
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真圆度 out of roughness ; roundness
图拉真圆柱 Trajan's Column ; Colonna di Traiano ; Colonna Traiana
真圆锥投影 true conic projection
真圆度仪 roundtest
真圆的 Perfectly round
真圆锥射影 [数] true conic projection
今天的月亮真圆啊 Today's moon roundness ah ; Today's Moon is circle ; Today's full moon is really a round
点群的真圆度 cloud circularity
真空圆鼓 suction drum
但是山东人的性格果真圆满吗？
圆度是花键与真圆的圆廓之间的公差。
Out of Roundness is the variation of the spline from a true circular configuration.
以等三角支撑原理，进行滚压加工，可提高工件真圆度、同心度、垂直度。
To support the principle of triangulation, etc., the rolling process, the workpiece can improve roundness, concentricity, perpendicularity.
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