23/30422223 DC
BS EN 50126-1:2017/prA1 铁路应用 可靠性、可用性、可维护性和安全性 (RAMS) 的规范和演示 通用 RAMS 流程
BS EN 50126-1:2017/prA1 Railway Applications. The Specification and Demonstration of Reliability, Availability, Maintainability and Safety (RAMS) - Generic RAMS Process