名词短语
中文翻译：铁路头部流动
同义词：
['railhead flow', 'rail head flow例句：1. The engineer had to adjust the flow of rail head to ensure smooth operation.（工程师必须调整铁路头部的流动，以确保顺畅运行。）']
例句：
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1. The engineer had to adjust the flow of rail head to ensure smooth operation.
工程师必须调整铁路头部的流动，以确保顺畅运行。
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2. The train's speed was limited by the flow of rail head.
火车的速度受到铁路头部流动的限制。
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3. The new design aims to improve the flow of rail head and reduce maintenance costs.
新设计旨在改善铁路头部流动并减少维护成本。