名词
中文翻译：直线换向
同义词：
['straight-line transfer', 'straight-line transmission']
例句：
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1. The new car has a straight-line commutation system that improves fuel efficiency.
这款新车采用了直线换向系统，提高了燃油效率。
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2.The engineer designed the straight-line commutation for the new machine to ensure smooth operation.
工程师为新机器设计了直线换向装置，以确保平稳运行。
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3.The straight-line commutation is crucial for the smooth functioning of the vehicle's engine.
直线换向对于车辆发动机的顺畅运作至关重要。