A survey about old patients of chronic obstructive pulmonary disease to respond to bronchodilator after long-term inhalation of ipratropium bromide and salbutamol是什么意思_A survey about old patients of chronic obstructive pulmonary disease to respond to bronchodilator after long-term inhalation of ipratropium bromide and salbutamol在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句