“轨枕”的英语？

铁路轨道中的支撑接头令轨枕直接置于轨端之下.Supported joints in a railroad track have ties directly under the rail ends.介绍了混凝土轨枕伤损的类型及其原因, 并推出了一种适合混凝土轨枕线路特点的养护作业方法.Though the analysis of the concrete track cross tie dehiscence, a new maintain...