To establish artificial airway and keep the aerocyst pressure at 1.961kPa-2.942kPa. For critical, senile patients could avoid either aspiration or tracheal mucous injury effectively.是什么意思_To establish artificial airway and keep the aerocyst pressure at 1.961kPa-2.942kPa. For critical, senile patients could avoid either aspiration or tracheal mucous injury effectively.在线翻译_英语_读音_用法_例句