... 喷气推进效率 jet propulsive efficiency 提高船舶推进效率 Enhanced Propulsion Efficiency 推进器效率 propeller efficiency ...
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该螺旋桨不仅有利于提高船舶推进系统的效率，而且能产生较大推力。
The propeller is not only favorable to enhance the efficiency of marine propulsion systems, but also can generate large pushing force.
本发明利用偏心同步旋转的两个转轮带动桨叶运动来提高船舶的推进效率，结构简单，且能使船在浅水航道中行驶。
It USES the two eccentric synchronous rotating runners to drive the paddle to enhance ship thrusting efficiency, has simple structure and can make the ship run on a shallow waterway.
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