In 6 patients who were managed by closed drainage alone, 2 cases died of bronchopleural fistula and 4 bronchopleural fistulas closed spontaneously.是什么意思_In 6 patients who were managed by closed drainage alone, 2 cases died of bronchopleural fistula and 4 bronchopleural fistulas closed spontaneously.在线翻译_英语_读音_用法_例句