X-ray equipment room in normal use, medical institutions should be how often

Not less than 30min. x-ray equipment room in normal use, medical institutions should be daily on the door outside the work status indicator, the door of the room door closure device to check the rest of the protective facilities should be regularly checked, each time not less than 30min. x-ray equipment room is to carry out the supervision and inspection of radiological diagnostic treatment places of the foundational content.