A.污區(qū)生物安全員B.凈區(qū)生物安全員C.保管D.污區(qū)凈區(qū)生物安全員均可操作
A.預(yù)冷2-8°C;5minB.常溫10~15°C;30minC.預(yù)冷0°C;5minD.常溫20~25°C;30min
A.1:200;10minB.1:200;30minC.1:400;30minD.1:800;30min