名词
中文翻译：Unknown
同义词：
['central line', 'axis', 'main line']
例句：
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1.The centreline of the road runs straight through the city center.
这条道路的中心线穿过市中心。
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2. The construction of the new railway line is crucial for the development of the region.
新铁路线的建设对于该地区的发展至关重要。
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3. The centralline of the train tracks is marked by a red dot on the platform.
火车轨道的中心线在站台上有一个红点标记。