A FAILURE ANALYSIS OF THE MATERIAL FOR THE ROTATOR OF GYROSCOPE BY MEANS OF FRAC TURE TOUGHNESS ANALYSIS AND SEM OBSERVATION是什么意思_A FAILURE ANALYSIS OF THE MATERIAL FOR THE ROTATOR OF GYROSCOPE BY MEANS OF FRAC TURE TOUGHNESS ANALYSIS AND SEM OBSERVATION在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句