The curative efficacy and the variations of forced vital capacity (FVC),forced expiratory volume(FEV 1),and vital capacity (VC) were observed before and after therapy.是什么意思_The curative efficacy and the variations of forced vital capacity (FVC),forced expiratory volume(FEV 1),and vital capacity (VC) were observed before and after therapy.在線翻譯_英語_讀音_用法_例句