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