名词中文翻译
中文翻译：逆流防止器
同义词：
['backflow valve', 'backflow device', 'backflow controller']
例句：
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1. The backflow preventer is designed to prevent water from flowing backwards into the system.
这个逆流防止器的设计是为了防止水反向流入系统。
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2.In order to maintain the integrity of the pipeline, it is necessary to regularly inspect and maintain the backflow preventer.
为了保持管道的完整性，定期检查和维护逆流防止器是必要的。
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3. The backflow preventer is a crucial component in preventing contamination during maintenance activities.
逆流防止器在维护活动期间防止污染中起着关键作用。