Conventional ventilators have their limitations in management of certain conditions such as protracted hypercarbia in bronchopulmonary dysplasia (BPD).是什么意思_Conventional ventilators have their limitations in management of certain conditions such as protracted hypercarbia in bronchopulmonary dysplasia (BPD).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句