Pset_AirTerminalOccurrence Air terminal occurrence attributes attached to an instance of IfcAirTerminal. IfcAirTerminal IfcAirTerminal AirflowType Enumeration defining the functional type of air flow through the terminal. SUPPLYAIR RETURNAIR EXHAUSTAIR OTHER NOTKNOWN UNSET SUPPLYAIR Supply Air RETURNAIR Return Air EXHAUSTAIR Exhaust Air OTHER (other) Value is not listed. NOTKNOWN (unknown) Value is unknown. UNSET (unset) Value has not been specified. Airflow Type Type de débit d'air エアフロータイプ Enumération définissant le type fonctionnel de débit à travers le terminal ターミナルを通過する気流の機能タイプ（給気、還気、排気他） AirFlowRate The actual airflow rate as designed. Air Flow Rate Location Location (a single type of diffuser can be used for multiple locations); high means close to ceiling. SIDEWALLHIGH SIDEWALLLOW CEILINGPERIMETER CEILINGINTERIOR FLOOR SILL OTHER NOTKNOWN UNSET SIDEWALLHIGH Side Wall High SIDEWALLLOW Side Wall Low CEILINGPERIMETER Ceiling Perimeter CEILINGINTERIOR Ceiling Interior FLOOR Floor SILL Sill OTHER (other) Value is not listed. NOTKNOWN (unknown) Value is unknown. UNSET (unset) Value has not been specified. Location Emplacement 位置 Emplacement (un seul type de diffuseur peut être utilisé pour des emplaments multiples); Haut signifie proche du plafond. 制気口の取り付け位置（壁面高所・低部、天井ぺり、天井中央、床、床下他） IfcAirTerminalのインスタンスの属性を設定。