名词短语中文翻译1
中文翻译：Unknown
同义词：
['closed area sign', 'closed section sign', 'closed boundary sign']
例句：
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1. The construction site is marked with a closed section sign to ensure safety.
施工现场用封闭区域标志确保安全。
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2. The police closed the section of road for emergency repairs.
警方因紧急维修而封锁了该路段。
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3.The closed section sign indicates that the area is off-limits to visitors.
封闭区域标志表明该区域对游客是禁止进入的。