采血室应每月空气培养1次,要求空气细菌菌落总数

A、≤100 CFU\/m_TagUpStart_3_TagUpEnd_
B、≤200\r\nCFU\/m_TagUpStart_3_TagUpEnd_
C、≤300 CFU\/m_TagUpStart_3_TagUpEnd_
D、≤400\r\nCFU\/m_TagUpStart_3_TagUpEnd_
E、≤500 CFU\/m_TagUpStart_3_TagUpEnd_