coefficient of ovality
椭圆度系数
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... negative ovality ring 负椭圆环 Test for ovality 椭圆度试验 coefficient of ovality 椭圆度系数 ...
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推导了变形区孔型椭圆度系数的计算公式,确定了孔型椭圆度系数的有效范围。
Accordingly, a calculation formula for the groove ovality factor of the deformation section is deduced, and the effective range of the groove ovality factor is set.
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