A.150Hu B.200Hu C.50Hu D.16Hu E.60Hu
A.20%~30% B.40%~50% C.40%~65% D.50%~70% E.20%~60%
A.CT機(jī)房部件功能的發(fā)揮 B.便于日常工作的開展 C.射線的防護(hù) D.充分選擇向陽房間 E.防潮防塵