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1. The drag reducer is designed to minimize the amount of force required to move the heavy object.
拖拽减少器的设计是为了最小化移动重物所需的力。
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2. During the construction process, the drag reducer was used to prevent the equipment from being damaged by the heavy machinery.
在施工过程中，使用了拖拽减少器来防止设备因重型机械而受损。
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3. The drag reducer was a critical component in the design of the new vehicle, as it helped to optimize fuel efficiency and reduce emissions.
拖拽减少器是新车型设计中的关键组件，因为它有助于优化燃油效率和减少排放。