名词
中文翻译：拖车减速器
同义词：
['truck retarder', 'trailer retarder']
例句：
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1.The truck retarder was designed to help prevent accidents on the highway.
这个拖车减速器被设计用来帮助预防高速公路上的事故。
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2. The driver applied the trailer retarder before starting the engine.
司机在启动引擎之前应用了拖车减速器。
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3. The truck retarder is a crucial component in maintaining safe driving conditions.
拖车减速器是保持安全驾驶条件的关键部件。