ピストンリング
pisutonringu
1. piston ring
Noun
#208930
1. piston ring
1. ring
1. piston; plunger
1. wooden flooring
1. touring (by car, bike, etc.)
1. rolling (of a ship, etc.)
2. rolling (start, plan, etc.)
3. illegal street racing
1. couple's ring; couple rings
1. centering; centring
1. curling
1. ringside