A.50µCi(含)至10mCi B.10mCi(含)至50mC C.50mCi(含)至100mC D.100mCi(含)至10Ci
A.0.50 B.0.75 C.1.0 D.1.5
A.無特別規(guī)定 B.監(jiān)控室內 C.營業(yè)網點內 D.營業(yè)網點外并加裝防護盒