tech support
noun/ˈtek səpɔːt/
/ˈtek səpɔːrt/
(informal) (also technical support)
- [uncountable] technical help that a company gives to customers using their computers or other products
（公司为用户提供的）技术支持，技术支援 - [uncountable + singular or plural verb] a department in a company that provides technical help to its workers or customers
（公司的）技术支持部，技术支援部