育肥猪， 3 月 龄， 口、 鼻流白色泡沫，颈部发红肿胀，张口呼吸，常作犬坐姿势，急性死亡。 剖检见颈部皮下呈胶冻状，肺脏水肿、 出血.预防该病的措施是
A、疫苗免疫A
暂无解析
翻译：Wewouldliketoinformyouthatatpresentwecansupplyyouwithvariouskindsofmen'sleathershoes.
Therewassomuchnoisethatthespeakercouldn’tmakehimself________.
We____somebrochures____toillustratethetypesofmaterialswemanufacture.
翻译：Pleaseadviseuswhetheryouironnailpackedinplywoodkegsof60kgs,netandwhetheryoucanshipourorderfromstock.
翻译：Sineethepremiumvarieswiththescopeofinsuranee,extrapremiumisforbuyer'saeeount,shouldadditionalrisksbecovered.
