【求四句英语短句翻译请不要使用翻译软件翻译．谢谢1.Thecauseofrollingresistanceisthedeformationofmatingsurfacesoftherollingelementandtheracewayonwhichitrolls.2.Traditionally,NCprogramminghasbeenperformed】

　　求四句英语短句翻译

　　请不要使用翻译软件翻译．谢谢

　　1.Thecauseofrollingresistanceisthedeformationofmatingsurfacesoftherollingelementandtheracewayonwhichitrolls.

　　2.Traditionally,NCprogramminghasbeenperformedofflinewiththemachinecommandsbeingcontainedonapunchedtape.

　　3.Theoccurrenceoflargematsoffloatingalagemayresultinthedeathofmanyfishfromlackofoxygen.

　　4.Themajorcontributorsincomponenttechnologyhavebeeninthesemiconductor.