Non-invasion positve pressure ventilation(NIPPV)has been a front line treatment of acute respiratory failure,especially in COPD patients.是什么意思_Non-invasion positve pressure ventilation(NIPPV)has been a front line treatment of acute respiratory failure,especially in COPD patients.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句