名词中文翻译
中文翻译：上部侧轨
同义词：
['upper rail', 'upper track']
例句：
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1.The train's upper side track is damaged, so it can't run smoothly.
火车的上部侧轨受损，所以无法顺畅运行。
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2. The engineer inspected the upper side track before starting the new project.
工程师在开始新项目前检查了上部侧轨。
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3. The upper side track was a crucial part of the railway system.
上部侧轨是铁路系统的关键部分。