compound - countercurrent wash extraction
- corrosion-resistant steel
- corrosive agent
- corrosive medium
- corrosiveness
- corrosivity
- corrugated section
- corrugating
- corundum refractories
- cotter pin
- Cottrell atmosphere
- coun-terflow furnace
- countercurrent (coun-terflow) furnace
- countercurrent flotation
- countercurrent furnace
- countercurrent wash extraction
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