57.下列何者為X光管中之散熱裝置?①銅塊 ②銀塊 ③金塊 ④油 ⑤水
(A)①⑤
(B)②④
(C)①④
(D)③⑤
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統計: A(412), B(73), C(918), D(30), E(0) #3134884
統計: A(412), B(73), C(918), D(30), E(0) #3134884