The traditional method to measure the curves in exiting railway is the method of deflection angle,while the method to calculate the curvatures and the deflection distance is the involute method.是什么意思_The traditional method to measure the curves in exiting railway is the method of deflection angle,while the method to calculate the curvatures and the deflection distance is the involute method.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句