1.
Simulation Study of Helicopter Nacelle Ventilation Cooling System Considering of Downwash Flow
基于旋翼下洗流场的直升机动力舱通风冷却系统仿真
2.
Also important are the rotation of the slipstream and the change of downwash at the tail.
此外，滑流的旋转和尾翼处下洗的变化也是重要的因素。
3.
Numerical prediction for the acoustic noise of helicopter rotor in forward flight
前飞状态下直升机旋翼旋转噪声预测
4.
Investigation on the Inflow and Aerodynamic Response of Rotors in Maneuvering Flight;
机动飞行状态下的旋翼入流和响应分析
5.
Calculation of the Aerodynamic Interaction between Rotor／Wing／Fuselage of Tilt-Rotor;
倾转旋翼飞行器旋翼/机翼/机身气动干扰计算
6.
To replace the relief valve disc, hold the upper guide fin and unscrew the diaphragm pressure plate.
要更换安全阀阀瓣，握住上部引导翼，旋下隔膜压力板上的螺丝。
7.
The Study of Induced Velocity Field and the Initial Trajectory of the Missile on the Condition of Coupled Rotor/Airframe Helicopter;
旋翼/机体耦合情况下的诱导速度场及对导弹初始弹道研究
8.
Influence of wing location on rotor-wing interaction of compound helicopter
机翼位置对复合式直升机旋翼-机翼干扰的影响
9.
stowed rotor vehicle
旋翼收藏式组合直升机
10.
tandem rotors helicopter
纵列式双旋翼直升机
11.
velocity along rotor diameter
速度沿旋翼直径的分布
12.
spiral welded-on wing stabilizer
焊接螺旋翼片式稳定器
13.
intermeshing rotors helicopter
交叉旋翼式直升飞机
14.
intermeshing-rotor helicopter
交叉双旋翼式直升机
15.
Computations of Unsteady Aerodynamic Characteristic of Rotor Airfoil at Low Mach Numbers
旋翼翼型低Ma数动态失速特性计算
16.
He shaved warily over his chin.
他小心翼翼地刮着下巴。
17.
an autogiro is supported in flight by unpowered rotating wings.
旋翼飞机靠无动力的旋转式机翼支持其飞行。
18.
We were meticulous in cleaning the car, washing and polishing every inch of it.
我们小心翼翼地清洗汽车，将每一寸都冲洗和打蜡。