名词
中文翻译：双端火车头
同义词：
['double-end locomotive', 'double-ended locomotive例句：1. The double-end locomotive is used for hauling heavy loads over long distances.（双端火车头用于长途运输重物。）']
例句：
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1. The double-end locomotive is used for hauling heavy loads over long distances.
双端火车头用于长途运输重物。
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2.The engineer had to double-end the locomotive to get it moving again.
工程师不得不双端火车头让火车再次启动。
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3. The double-end locomotive was a marvel of engineering and technology.
双端火车头是工程和科技的奇迹。