oval groove - palm oil
- oval groove
- oval pass
- oval repeater
- oval tube
- oval turner
- oval turning device
- oval twister
- oval-oval pass sequence
- oval-oval series
- oval-oval-oval method
- oval-round guide passes
- oval-round-oval method
- oval-round-oval pass sequence
- oval-round-oval series
- oval-shaped
- oval-shaped roughing pass
- oval-square passes
- oval-square-oval method
- oval-square-oval pass sequence
- oval-square-oval series
- oval-type bastard oval
- oven
- over drawing
- over-rolled center
- over-rolled strip edge
- overall elongation
- overall reduction
- overbending
- overfeeding
- overfill
- overfilled pass
- overfull groove
- overgauge
- overhang roll type mill
- overhanging beam
- overhead conveyor
- overhead gauge
- overhead gauge beam
- overhead ingot turning and weighing machine
- overhead looping device
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