rotary piercing
相关英语词汇推荐
- ground chamotte
- mixed scrap
- lapped T-joint;flanged T-joint
- continuous strip mill
- moisture
- oxyacetylene torch
- threee-strand continuous casting machine
- sullage head
- ampangabeite
- casting powder
- polymorphism
- inoculant alloy
- austenite region
- steckel mill
- bush,bushing
- lacquerware
- roller cold pilgering mill
- continuous operation
- pattern metal
- fire end