helicopter rotor
短语词组
- helicopter tail rotor [航]直升机尾桨
- jet helicopter rotor [航]喷气直升机旋翼
- helicopter rotor head 直升机旋翼桨毂
- helicopter rotor fuselage system 直升积翼机身系统
- helicopter rotor airfoil 直升机旋翼桨叶
- helicopter rotor counterbalance component 直升机旋翼配重构件
- helicopter rotor in hover 悬停旋翼
- helicopter rotor noise 直升机旋翼噪声
- helicopter rotor blade 直升机旋翼桨叶 返回 helicopter rotor