短语词组短语brucella strain ovis vaccine 布氏杆菌羊5号菌苗brucella strain ovis 5 vaccine 布氏杆菌羊号菌苗xinjiang brucella ovis 绵羊布鲁氏菌Brucella ovis 019 strain 绵羊种布鲁氏菌019株 返回 Brucella ovis