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