名词中文翻译1
中文翻译：Unknown
同义词：
['Rail fastener', 'Rail connection', 'Rail joint']
例句：
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1.The train needed to be fitted with new rails.
火车需要安装新的轨道。
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2.The engineer was tasked with the installation of new rails.
工程师负责安装新轨道的任务。
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3.The old rails were replaced with new ones for safety reasons.
出于安全原因，旧的轨道被替换成了新的。