大家都搜：
共轴式双旋翼
1、dimpled rotors vs drilled rotors───凹陷转子与钻孔转子
2、crimple coaxial───卷曲同轴
3、semi metallic rotors───半金属转子
4、brakes and rotors───制动器和转子
5、coaxial cable───n.[电]同轴电缆
1、computational method based on rotor free-wake is developed for predictig flow field between the twin rotors of coaxial helicopters.───的坐标系中，建立了悬停旋翼自由尾迹计算的迭代方法和模型。
1、The interaction of coaxial rotors to fuselage changes when the tail plane area, and lower rotor pitch or advance ratio was changed.
2、The interaction of coaxial rotors to fuselage changes when the tail plane area, and lower rotor pitch or advance ratio was change...
3、Rotating in the opposite direction by two 3 - blade coaxial rotors, blades for the wood structure.