The primary drugresistance(PDR) rates were 22.7% , 15.8%, 22.7% and 7.7% for INH, RFP, SM and EMB,respectively.是什么意思_The primary drugresistance(PDR) rates were 22.7% , 15.8%, 22.7% and 7.7% for INH, RFP, SM and EMB,respectively.在线翻译_英语_读音_用法_例句