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