The factors influenced the efficiency of dry powder inhaler(DPI) are reviewed. In vitro and in vivo experimental evaluations and quality control of DPI are also briefly introduced.是什么意思_The factors influenced the efficiency of dry powder inhaler(DPI) are reviewed. In vitro and in vivo experimental evaluations and quality control of DPI are also briefly introduced.在线翻译_英语_读音_用法_例句