EPFCOCA³¹⁵¹¹¹⁺⁴ 基本例句 =European Packaging Federation 欧洲包装联合会荷兰 Set up a stable and effective method of isolation and purification early pregnancy factor for getting enough EPF as antigen preparing for gaining the monoclonal antibody of EPF. 建立一条稳定高效的分离纯化 EPF的技术路线，以获得充足高纯度的 EPF作为抗原，为进一步制备抗- EPF单克隆抗体作准备。 iciba