我国医用诊断X线卫生防护标准GB8279-87规定,医用诊断X线机机房应有足够的使用面积。一般100mA以下的可不小于24m~2;200mA以上的可不小于36m~2;多管头X射线机房的面积可酌情扩大。但从连云港市225间机房的调查来看,有68%的机房面积低于规定标准,且有的新建机房由于种种原因也 China’s medical diagnosis of X-ray health protection standards GB8279-87 provides that the medical diagnosis of X-ray machine room should have sufficient use of the area. General 100mA following may not be less than 24m ~ 2; 200mA above may not be less than 36m ~ 2; Multi-head X-ray room area may be expanded as appropriate. However, Lianyungang 225 rooms from the survey, 68% of the engine room area below the required standard, and some new engine room due to various reasons