- 精研板: lapping plate; lappingplate
- 精研机: fine-grinding machine; la ing machines; la ingmachines; lap machine; lapping machines; lappingmachine; refining mill
- 精研磨: lapping
- 精研圈: lapping ring
- 摆轴精研机: oscillating indle la ing machine; oscillating spindle lapping machine
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