名词
中文翻译：引擎大修
同义词：
['overhaul', 'overhaul the engine']
例句：
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1. The old car needed an engine overhaul to get it back on the road.
这辆旧车需要发动机大修才能重新上路。
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2. The mechanics had to perform an engine overhaul on the car before they could drive it again.
在汽车再次行驶之前，技师们必须对汽车进行一次发动机大修。
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3. The company decided to overhaul their entire fleet of vehicles to improve efficiency.
公司决定对他们所有的车辆进行全面的发动机大修，以提高效率。