The method and theory are provided for reliability design and calculation of casing. 为实现对套管的可靠性设计和分析提供了理论和方法。
Based on the features of Safety First in railway systems, it has profound significance to have a reliability design to axis-counting systems. 基于铁路系统安全第一的作业特点,对计轴系统进行可靠性设计具有深远意义。