提供终身维修技术服务.

Porvide product service life maintenance service.

乙方承诺对所售产品一年内保修、终身维修。

B commitment to the sale of products within one year warranty and lifetime maintenance.

《猫主手册：使用说明，故障排除技巧以及终身维修建议》 萌单什么的 …

The Cat Owner's Manual: Operating Instructions, Troubleshooting Tips, and Advice on Lifetime Maintenance.

而且，相关经销者提供了免费终身维修的保证，有力地支持了他们的工作。

Also , participating dealers back their work with a free lifetime service guarantee .

而且, 相关经销者提供了免费终身维修的保证,有力地支持了他们的工作.

Also, participating dealers back their work with a free lifetime service guarantee.