向客户提供售前、售后服务、包括技术咨询和培训。

Conduce to pre-sales and after-sales services to clients, including technical advising, supporting and training.

youdao

向客户提供售前、售后服务、包括技术咨询和培训。

Conduce to pre-sales and after-sales services to clients, including technical advising, supporting and training.

youdao