Repair on technical condition

博客 ... 定期修理Regulating repair 视情修理Repair on technical condition 非计划修理Unscheduled repair ...

 repari on techincal condition

... 定期修理regulation repair 视情修理repari on techincal condition 非计划修理unscheduled repair ...

 repair as required

... RAMrandom access memory随机存取存储器 RARrepair as required视情修理 RBSrecirculation ball type steering gear循环球式转向器 ...