A.10mg/m3和30mg/m3
B.15mg/m3和30mg/m3
C.6.67ppm和20ppm
D.10ppm和20ppm
A.15mg/m3(10ppm)
B.30mg/m3(20ppm)
C.75mg/m3(50ppm)
D.150mg/m3(100ppm)
A.固定式辐射剂量(率)监测仪与便携式辐射剂量(率)监测仪的监测数据均高于本底
B.固定式辐射剂量(率)监测仪监测数据为本底,而便携式辐射剂量(率)监测仪的监测数据高于本底
C.固定式辐射剂量(率)监测仪与便携式辐射剂量(率)监测仪的监测数据均为本底
D.固定式辐射剂量(率)监测仪监测数据高于本底,而便携式辐射剂量(率)监测仪的监测数据为本底