換かん気き

noun, noun or participle which takes 'suru', intransitive verb

ventilation; air exchange

Refers to replacing indoor air with fresh outdoor air, often in rooms, buildings, or vehicles. Commonly used as a noun or with する as an intransitive verb.

• 部屋へやの換かん気きをしてください。

  Please ventilate the room.

• 定てい期き的てきに換かん気きすることが大たい切せつです。