Objective To determine the ventilation resistance of the Eustachian tube(VRET)and the lowest positive pressure to maintain the opening of the tube.是什么意思_Objective To determine the ventilation resistance of the Eustachian tube(VRET)and the lowest positive pressure to maintain the opening of the tube.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句