warranty of fitness

• 质量保证

warranty of fitness的用法和样例：

例句

1. It's order to provide reliable service to the user of end-to-end.
   它的目的就是向用户提供端到端的服务质量保证。
2. Use only original equipment manufactured parts to protect the validated warranty.
   只有采用原始设备制造配件才能够获得有效的质量保证。