توضیح فارسی
دریچه تنظیم فشار داخل کابین که هوای خروجی از کابین را کنترل میکند
Description
the valve in an aircraft pressurization system that controls the pressure inside the aircraft cabin. more air than needed is pumped into the cabin, and the outflow valve controls the air allowed to escape to maintain the pressure in the cabin at the corre