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