エアレーションタンクでした
earēshontankudeshita
1. Was an aeration tank.
Noun
#3177309
1. Was an aeration tank.
1. air
1. area
1. pupil; disciple
1. deci-; 10^-1
1. Japan Railways; JR
1. tank (of fluid); cistern
2. tank (military vehicle)
1. air conditioner; air conditioning
1. (being) on air; (being) on the air