工务作业标准大型养路机械道床换碴作业
Work and operation standard for railway maintenance construction Ballast replacing construction with heavy-duty track maintenance machinery
2004-10-23
TB/T 2658.22-2010
工务作业 第22部分:钢轨、道岔打磨车作业
Maintenance performance.Part 22:Rail and switch grinding machine performance standard
2010-06-26
TB/T 2658.21-2007
工务作业第21部分:钢轨焊缝超声波探伤作业
Maintenance performance Part 21: Ultrasonic testing of rail welds