miller GRE

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

台阶错齿三面刃铣刀是北京北重汽轮有限责任公司加工叶根转子槽专铣刀。

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

该厂主要维修机车和多节车组，但也接一些力所能及其他维修业务。