圓徑及偏圓度之公差ovality: (活塞)橢圓度; 卵形度; 橢園度; 橢圓度frame ovality: 肋骨橢圓度negative ovality: 負(fù)橢圓度positive ovality: 正橢圓度zero ovality: 零橢圓度下載手機(jī)詞典可隨時隨地查詞查翻譯