辙叉磨床 railroad crossing grinder
贝氏体辙叉钢 bainitic frog steel
钢轨与辙叉 rail and frog
高锰钢辙叉 high manganese steel frog; High manganese frog; high manganese steel crossing
高锰钢辙叉及护轨 high manganese steel rail and guard rail
固定式辙叉 cast frog
固定辙叉 rigid frog
焊接辙叉 welded frog; welding frog crossing
可动心轨辙叉 Movable-point Frog; movable point frog; Crossing with movable frogs
可动心辙叉 movable point crossing
可动心辙叉检测工作台 MPC inspection platform
可动心辙叉组装工作台 MPC assembly platform
可动翼轨辙叉 movable wing rails; movable-wing frog
锰钢辙叉 manganese steel frog crossing; manganese swi-tch
铁路辙叉 railway crossing; railway frog
辙叉 frog; withdrawal fork; railway frog; crossing; switch-point component
辙叉跟端结构 Crossing heel structure
辙叉焊补 frog welding and repairing
辙叉环 frog ring