名词
中文翻译：消防环路主干线
同义词：
['fire protection ring main', 'fire control ringmain']
例句：
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1. The fire-fighting ring main is crucial forthe safety of the community.
消防环路主干线对于社区的安全至关重要。
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2. The fire-fighting ring main was designed toprevent fires from spreading quickly.
消防环路主干线的设计是为了防止火势迅速蔓延。
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3. The fire-fighting ringmain is essential for maintaining public order duringemergencies.
消防环路主干线在紧急情况下维护公共秩序至关重要。