Objective: To explore the effect of the intermittent positive pressure ventilation (IPPV) on the high-risk neonates of pulmonary haemorrhage.是什么意思_Objective: To explore the effect of the intermittent positive pressure ventilation (IPPV) on the high-risk neonates of pulmonary haemorrhage.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句