1.Stepped and staggered sidecutter is the special miller for machining root rotor slot by Beijing Beizhong Steam Turbine Generator Co.

1.台阶错齿三面刃铣刀是北京北重汽轮有限责加工叶根转子的专用铣刀。

2.This miller should maintain engine and knaggy car troop, but the other maintenance business that also accepts a few in one's power.

2.该维修机车和多节车组，但也接一些力所能及的其他维修业务。