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对螺旋桨整流作用线形 contra-propeller fairing
立方直升机的这种配置让他可以像直升机一样盘旋,但在向前飞行时,主旋翼的转速可以将下来,让两侧的机翼提供升力,在此情况下,两台螺旋桨推进器就能发挥大作用了。
This means it can hover like a helicopter, but when flying forwards can reduce the speed of the main rotor and let the wings provide part of the lift. Its propellers give the extra oomph.
比如,当飞机的螺旋桨疾驰过云层时,会给云一个向后的作用力。
When a plane's propeller, for example, spins through a cloud, the propeller exerts a rearward force.
该船的主机为单作用,二冲程,带涡轮增压器的十字头柴油发动机,并且螺旋桨为定距桨。
The vessel to be propelled by a single-acting two stroke supercharged cross head Diesel engine, acting to a fixed pitch propeller .
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