Unlike the blades on old-fashioned propeller engines, these blades spin around at the back of the engine.
与老式螺旋桨发动机的叶片不同，这些叶片在发动机的后部旋转。
The propeller is usually mounted on a mast behind the pilot and raised for take-off (or to gain more height or distance once airborne) and then lowered back inside the fuselage.
这种螺旋桨通常装在飞行员后面的一个桅杆上，起飞的时候升起（或在帮飞机实现更高的高度或航程的时候），随后收入机身。
The spanner for dismantling the propeller is in the steering room. Please tie it back in place after use.
拆卸推进器的扳手在舵机房里，有后请归放原处。
The engine acts as the power unit located normally at the front of the car, followed immediately by a clutch, gear box, propeller shaft, universal joint , differential, back axle, etc.
发动机是提供动力的组件，一般装在汽车的前面，紧接着离合器、变速器、传动轴、万向接头、差速器、后车轴等等。
The engine acts as the power unit located normally at the front of the car, followed immediately by a clutch, gear box, propeller shaft, universal joint , differential, back axle, etc.
发动机是提供动力的组件，一般装在汽车的前面，紧接着离合器、变速器、传动轴、万向接头、差速器、后车轴等等。
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