推进器的叶片已经安装好了。
通过加快推进器的旋转来增加其推力，同时改变叶片的角度来改变推力的方向。
Speeding up the propeller's rotation increases its thrust, while shifting the blades' angles changes the direction of the thrust.
风力推动固定在转轴上两三个像推进器一样的叶片。
The energy in the wind turns two or three propeller-like blades around a rotor.
它用来制造冷凝管、推进器、泵配件、透平叶片，并用于化工设备等。
Used for condenser tubes, propellers, pump fittings, turbine blades, and for chemical plant.
提出了一种新型的流体推进器——单叶片推进器，通过对叶片的运动学和负载的分析，建立了该推进器的运动方程。
A new type of liquid propeller-single-blade propeller is discovered and its dynamic equations are established by means of kinematic analysis of the blade and loads applied on the blade.
提出了一种新型的流体推进器——单叶片推进器，通过对叶片的运动学和负载的分析，建立了该推进器的运动方程。
A new type of liquid propeller-single-blade propeller is discovered and its dynamic equations are established by means of kinematic analysis of the blade and loads applied on the blade.
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