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