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