Constituent ratio for salmonella derby accounted for 40. 36 per cent of the total checkout, and it for salmonella typhimurium 32. 81%.是什么意思_Constituent ratio for salmonella derby accounted for 40. 36 per cent of the total checkout, and it for salmonella typhimurium 32. 81%.在线翻译_英语_读音_用法_例句