Efficacy and safety of noninvasive positive pressure ventilation in the patients with respiratory failure due to acute exacerbation of chronic obstructive pulmonary disease with conscious disturbances是什麼意思_Efficacy and safety of noninvasive positive pressure ventilation in the patients with respiratory failure due to acute exacerbation of chronic obstructive pulmonary disease with conscious disturbances在線翻譯_英語_讀音_用法_例句