The positive rate of AFG_1,in feeds and rawmaterials is 0.4%,5.3%respectively; the highest amount is 16.4ppb,33.4ppb respectively.是什么意思_The positive rate of AFG_1,in feeds and rawmaterials is 0.4%,5.3%respectively; the highest amount is 16.4ppb,33.4ppb respectively.在线翻译_英语_读音_用法_例句