适当加大桥上轮缘槽宽度和改变护轨形状实现普通捣固作业的设想

适当加大桥上轮缘槽宽度和改变护轨形状实现普通捣固作业的设想的英文翻译

基本释义

• Idea of realizing popular tamping by properly increasing the width of flange groove on bridge and change guard rail form