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