The portabletrack detecting instrument facilitates effective inspection of track smoothness. The speed measuring module is an important component of the system.
便携式轨道测试仪是检测铁路轨道平顺性的有效手段，测速模块是其重要组成部分。
2
With novel and portable disassembly track, the mill barrel can be disassembled easily and operated and maintained conveniently.