聚醚类离子载体抗生素
polyether ionophoric antibiotics
红霉素类抗生素
erythromycin analogue antibiotic
头孢菌素类抗生素
cephalosprins
cephalosporins
Cephalosporins antibiotic
Cephalosporin antibiotics
cephalosporin
cephalosporine derivatives
semisynthesis cephalosporins
聚醚类抗球虫药
polyether anticoccidial drug
β-内酰胺类抗生素残留
lactam antibiotic residues
Lactam antibiotics residues
β-酰胺类抗生素残留
lactam antibiotics residue