70.若某區域受到低放射活性污染,宜用下列何種儀器進行勘測?
(A)井形加馬閃爍計數器(well type γ-scintillation counter)
(B)劑量校正儀(dose calibrator)
(C)口袋型計測儀(pocket dosimeter)
(D)蓋革計數器(Geiger-Müller counter)
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統計: A(32), B(45), C(34), D(813), E(0) #1070395
統計: A(32), B(45), C(34), D(813), E(0) #1070395