The generatrix shape of tapered roller processed with centerless grinding was not straight line but curve one.The reason for that and influence factors were analyzed for further research.是什么意思_The generatrix shape of tapered roller processed with centerless grinding was not straight line but curve one.The reason for that and influence factors were analyzed for further research.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句