1.
Research on Propeller Cavitation Characteristics and Low Noise Propeller Design;
螺旋桨空泡性能及低噪声螺旋桨设计研究
2.
Waveform simulation of low frequency line spectrum on propeller cavitation noise
舰船螺旋桨空化噪声低频线谱波形仿真
3.
The low-frequency noise of propeller has constituted the main part of radiated noise of middle or high-speed marine.
螺旋桨低频噪声构成了船舶中高速航行时整个辐射噪声中的重要分量。
4.
Experimental Investigations of Influence of Gas Content in Water to Propeller Cavitation Noise
水中含气量对螺旋桨空泡噪声影响的试验研究
5.
controllable pitch propeller hub
可调螺距螺旋桨桨毂
6.
Investigation on the Blade-Vortex Interaction Aerodynamic Noise of Helicopter Rotors;
直升机旋翼桨—涡干扰气动噪声的研究
7.
fixed pitch propeller
定螺距螺旋桨固定螺距螺旋桨
8.
When the pressure dropped, the prop reversed pitch.
当压力降低时,螺旋桨开始反转...
9.
the whirr of a fan, motor, propeller
风扇、 发动机、 螺旋桨的呼呼声.
10.
low noise air screw compressor
低噪声螺杆空气压缩机
11.
Moreover, they are also quieter, as they are not driven by an airscrew.
此外，由于不用空气螺旋桨驱动，所以噪音也比较
12.
propeller,esp of a ship or motor boat
螺旋桨（尤指船的）
13.
To feather a propeller.
（螺旋桨）顺流交距
14.
An airplane having such a propeller.
螺旋桨飞机有这样一种螺旋桨的飞机
15.
hydrauliccontrol pitch propeller
液压操纵螺距螺旋桨
16.
controllable pitch propeller oil pump
可调螺距螺旋桨油泵
17.
controllable pitch propeller control box
可调螺距螺旋桨控制箱
18.
fixed screw propeller shrouding
定螺距螺旋桨导流管