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