65. 重油的高發熱量是
(A)7,200~7,300kcal/kg
(B)9,000~9,070kcal/kg
(C)10,000~10,700kcal/kg
(D)8,000~8,500kcal/kg。

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統計: A(2), B(17), C(113), D(7), E(0) #1130403