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