The infected rate in breeding sows, breeding boars, fatteners, growers and weaners were 46.8%, 50.5%, 49.8%, 34.8% and 20.1%, respectively.是什么意思_The infected rate in breeding sows, breeding boars, fatteners, growers and weaners were 46.8%, 50.5%, 49.8%, 34.8% and 20.1%, respectively.在线翻译_英语_读音_用法_例句