通つう気き管かん

noun

ventilation duct; air pipe

Technical term for a pipe or duct used for ventilation, commonly found in building or engineering contexts.

• この建たて物ものの通つう気き管かんは定てい期き的てきに点てん検けんが必ひつ要ようです。

  The ventilation ducts in this building need regular inspection.