名词
中文翻译：路线维护
同义词：
['maintenance route', 'route service']
例句：
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1. The engineers are responsible for the daily route maintenance of the highway.
工程师们负责这条高速公路的日常路线维护。
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2. The company provides regular route maintenance services to its customers.
该公司为客户提供定期的路线维护服务。
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3. During the maintenance period, the road will be closed to traffic.
在维护期间，道路将关闭以进行交通。