Customer Inquiry: the customer hotline implements the 24-hour on-duty.

客户咨询：客户热线实行24小时对外值班。

youdao

After I consulted the customer, I completed a customer inquiry form and catalogued the information in our database.

当我和顾客商讨之后，我就填完一份顾客咨询表，并把有关信息按目录输入数据库。

youdao

I was also responsible for maintaining after sales service, for which I set up and systematized' a customer inquiry database to assist in providing a more targeted after-sales service.

此外，本人还负责维持产品的售后服务，为此特别建立了客户询问资料库，并将之系统化以提供更具目标化的售后服务。

youdao

On October 11, 1999, not long after Jobs returned to a dying company and took on the title of interim CEO (or iCEO), he fielded an inquiry from a customer named David about iBook laptop shortages.

CNN: Mark Milian,

The services are heavily marketed to cardholders, particularly when you call a toll-free number to activate a card or ask a question, or when a customer-service rep calls to answer an inquiry.

WSJ: Getting Going: The Financial Fear Mongers