名词
中文翻译：钢轨修整机
同义词：
['rail straightener', 'rail straightening machine']
例句：
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1. The railway company has invested heavily in the development of new rail technologies.
铁路公司大力投资于新型铁路技术的开发。
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2. The engineer used a rail trimming machine to level the tracks before they were laid.
工程师使用一台钢轨修整机在铺设轨道之前平整了轨道。
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3.The rail trimming machine is essential for maintaining the safety and efficiency of the railway system.
钢轨修整机对于维护铁路系统的安全和效率至关重要。