1.
Chaotic Dynamics of Ship Propeller Singing Time Series
船舶螺旋桨鸣音时间序列混沌动力特性研究
2.
controllable pitch propeller hub
可调螺距螺旋桨桨毂
3.
Three engines would each drive three fans that are smaller and thus easier to quieten than current ones.
三台引擎将分别发动三个螺旋桨，螺旋桨被设计得更小，更易于静音。
4.
fixed pitch propeller
定螺距螺旋桨固定螺距螺旋桨
5.
propeller,esp of a ship or motor boat
螺旋桨（尤指船的）
6.
To feather a propeller.
（螺旋桨）顺流交距
7.
An airplane having such a propeller.
螺旋桨飞机有这样一种螺旋桨的飞机
8.
hydrauliccontrol pitch propeller
液压操纵螺距螺旋桨
9.
controllable pitch propeller oil pump
可调螺距螺旋桨油泵
10.
controllable pitch propeller control box
可调螺距螺旋桨控制箱
11.
fixed screw propeller shrouding
定螺距螺旋桨导流管
12.
mechanical controllable pitch propeller
机械式可调螺矩螺旋桨
13.
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
14.
the whirl of the propeller blades
螺旋桨叶片的旋转.
15.
total propeller-disk area
螺旋桨旋转盘总面积
16.
automatic feathering type controllable pitch propeller
自动顺桨式可调螺距螺旋桨
17.
measurement of fit clearance of propeller
螺旋桨轴安装间隙测量
18.
blade, for ship or boat propellers
大船小船用螺旋桨叶