名词
中文翻译：拖车连接器
同义词：
['tractor coupling', 'trailer coupling']
例句：
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1.The trailer coupling failed to engage properly, causing the vehicle to stall.
拖车的连接装置没有正确连接，导致车辆熄火。
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2.The engineers had to replace the trailer coupling after a sudden drop in temperature.
工程师们不得不在温度突然下降后更换拖车连接装置。
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3. The new trailer coupling has improved the efficiency of the tractor-trailer system.
新型的拖车连接装置提高了拖拉机和拖车系统的工作效率。