英语语法分析

This paper also introduces sprag overrunning clutch to be applied in transmission system of rotor aero-craft.

还对斜撑超越离合器在直升机传动系统上的应用作了介绍。

Under unfavourable work conditions a dangerous section forms on the inner wing of the joint between sprag and grip, where the stresses are concentrated.

木材抓具的抓爪，在不利工况下的危险截面是位于撑杆与抓爪联结爪耳处的内缘，该处所受应力最大。