【电学】通风孔（通风孔）

ventilating fan adapted to be mounted in wall openings or glass panes

ventilating floor (ventilation floor)

air-breather【建】;drafting apparatus【机】;ventilating device【机】

ventilating plant

ventilating

goods space; heating device, ventilating plant

anti-explosion part ventilating fan

heating, cooling, ventilating or air-conditioning of SHIP(S)