service hotline
服务热线；客服热线；全国服务热线
例句
1.a Shanghai people familiar with information service hotline, and is the sourceof his work.
一个上海市民熟悉的信息服务热线，是他工作的来源。
2.Metro Customer Service Hotline System Based on All-In-One Platform
基于一体化平台的地铁乘客服务热线系统
3.Design and implementation of Nanjing Subway Operation Service HotlineSystem
南京地铁运营服务热线系统设计与实现
服务热线
双语对照
例句:
1.
She called the airline's service hotline to learn why that was.
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