ovality的用法和樣例：
例句
用作名詞 (n.)
- One of the important indexs is ovality.
其中橢圓度就是一個十分重要的指標。 - Relevant operation practice has proven that with the optimalized sizing process parameters,steel tubes sized by the said mill possess decreased ovality and higher O.D.accuracy.
生產實踐表明，採用優化后的定徑工藝參數，鋼管的橢圓度減小，外徑精度提高。
