スクリューギアでしょう
sukuryūgiadeshō
1. Probably a screw gear.
Noun
1. Probably a screw gear.
1. gear
1. screw
2. screw propeller; screw
1. corkscrew
1. it seems; I think
2. right?; don't you agree?
1. Is not a gear.; It is not a gear.
1. Was a gear.
1. Was not a gear.; It wasn't a gear.
1. Gear is.; It is gear.