コントラプロペラなら
kontorapuroperanara
1. If/when contrarotating propellers; If there are contrarotating propellers
Noun
1. If/when contrarotating propellers; If there are contrarotating propellers
1. propeller
1. contra
1. If/when it were a propeller.; If/when it was a propeller.
1. If/when it is a propeller.; If/when it’s a propeller.
1. It wasn't a propeller.
1. Propeller.; It is a propeller.
1. Wasn't a propeller.; Wasn't the propeller.
1. Wasn't a propeller.; Wasn't the propeller.
1. It is not a propeller.