用O/A造句子，“O/A”造句

The Fusion of Synthetized T/B Cell Antigen Epitope Genes of FMDV Type O/A and the Construction of Plant Expression Vectors

Effect of alternating O/A on treatment performance of the A-O/A SMBR

Study of the treatment of chemical wastewater by micro-electrolysis of scrap iron and carbon with O/A/O process