求翻译：我方对设备提供终生维修服务，保修期外，我方将继续为用户提供优质的技术维修服务。优惠收取零配件费和维修费用。电脑管理用户档案，售后服务人员每年上门走访至少两次，100%的无忧电话回访，主动跟踪、动态服务检查设备的运行情况，并对设备进行维护和保养。是什么意思？

Our equipment to provide life-long maintenance service, warranty period, we will continue to provide users with high-quality technical maintenance services. Promotions to receive spare parts and maintenance costs. Computer to manage user profiles, service personnel in each home visits at least twice

正在翻译，请等待...

正在翻译，请等待...

We provide lifetime maintenance service of the equipment, outside the warranty period, we will continue to provide users with quality technical service. Preferential collection of spare parts and maintenance costs. Computer management profile, service-site visit at least twice a year, 100% worry-fre

We provide the life-long service service to the equipment, outside the warranty period, we will continue for the user to provide the high quality technical service service.The preferential benefit collection spare parts spend with the maintenance cost.The computer management user file, the post-sale