double u groove
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- continuous operation
- sullage head
- polymorphism
- lapped T-joint;flanged T-joint
- mixed scrap
- threee-strand continuous casting machine
- moisture
- lacquerware
- bush,bushing
- ampangabeite
- fire end
- pattern metal
- inoculant alloy
- ground chamotte
- austenite region
- steckel mill
- roller cold pilgering mill
- continuous strip mill
- casting powder
- oxyacetylene torch