技術支持用英語怎麼説

after-sale service and technical support售後服務及技術支持Ricoh has always stuck to the principle of "putting itself in customer's position"，contemplate customer demands， and establish rapid response and trust worthy after-sale service and technical support. 理光始終堅持“設身處地為客户着想”，預期客户的需求，建立快速反應和值得信任的售後服務及技術支持。