"ventilation"를 포함한 연어
2개의 연어를 찾았습니다
ventilation shaft
A shaft for providing ventilation.
mechanical ventilation
the use of a machine (ventilator) to move air in and out of the lungs
2개의 연어를 찾았습니다
A shaft for providing ventilation.
the use of a machine (ventilator) to move air in and out of the lungs