旋翼桨叶 meaning in English

main-rotor blade

The left skid was substantially damaged . the main rotor blades remained intact but were bent and twisted
主旋翼桨叶被折弯和扭曲，但保持完整。
The design of structure and dynamics of a rotor blade is based on its section characteristic of composite blade
因此，一个精确的剖面特性的分析计算方法对旋翼桨叶设计是十分重要的。
Examination of the wreckage trail indicated that substantial damage was inflicted on the aircraft , in particular the main rotor blades , within the first few metres after initial impact
坠机路线调查显示，直升机尤其是主旋翼桨叶，在首次撞击后的最初数公尺受损严重。
Main rotor blades were severed within the first few metres through contact with small trees and rocks , and the underbelly and right side of the fuselage were damaged substantially
主旋翼桨叶在直升机冲前首数公尺处因碰触地面矮小树丛和石块而断裂，机腹和右侧严重损毁。