名词
中文翻译：中通道护栏
同义词：
['mid-spanning bar', 'mid-spanning guardrail']
例句：
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1. The mid-channel bar is designed to prevent vehicles from crossing the median.
中通道护栏的设计是为了防止车辆越过中央分隔带。
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2. The construction of the mid-channel bar was completed ahead of schedule.
中通道护栏的建设提前完成。
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3. The mid-channel bar has been a popular design for many years.
中通道护栏多年来一直是受欢迎的设计。