The gears in speed change boxes and moment changers are normally of pan shape and will be carburized and quenched.Distortion of larger diameter gears will frequently overstep tolerance.是什么意思_The gears in speed change boxes and moment changers are normally of pan shape and will be carburized and quenched.Distortion of larger diameter gears will frequently overstep tolerance.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句