A.≥102cfu/ml B.≥103cfu/ml C.≥104cfu/ml D.≥105cfu/ml E.≥106cfu/ml
A.術(shù)前24小時(shí) B.術(shù)后24小時(shí) C.術(shù)后48小時(shí) D.術(shù)后3天 E.術(shù)后1周