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