名词
中文翻译：火车头制动器
同义词：
['locomotive brake', 'locomotive brakes', 'train brake']
例句：
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1. The engineer had to stop the train at the railway crossing.
工程师不得不在铁路交叉口停下火车。
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2.The train was delayed due to a broken railcar brake.
由于火车头制动器故障，火车晚点了。
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3.The engineer quickly replaced the faulty railcar brake.
工程师迅速更换了故障的火车头制动器。