auxiliary propeller造句

• Auxiliary propellers give her the capability to rotate in place.
• Her large deep-sea winch and auxiliary propeller gave her the capability to investigate even the deep ocean trenches scattered throughout the world.
• At take-off or when hovering, the auxiliary propellers worked in opposition to each other and served to cancel the torque of the main rotor, a function handled by a single, variable-pitch tail rotor on contemporary helicopters.
• The main shrouded propeller is located in the center of the crucifix control surfaces at the stern, which enables the submersible to turn in the horizontal plan, but the main shrouded propeller cannot control the motion in the vertical plan, which is controlled by auxiliary propellers.