The results show that under the same lapping conditions the Si3 N4 ball has the lowest material removal rate and the best roundness and roughness, followed by ZrO2, Al2O3, and SiC ball.是什么意思_The results show that under the same lapping conditions the Si3 N4 ball has the lowest material removal rate and the best roundness and roughness, followed by ZrO2, Al2O3, and SiC ball.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句