14. The energy per unit mass of a fuel is often quantified by the heating value of the fuel. The
heating values of the residual fuels are typically ________ % lower than the distillates.
(A) 5~7
(B) 8~10
(C) 11~13
(D) 14~16
答案:登入後查看
統計: A(499), B(224), C(84), D(44), E(0) #3170978
統計: A(499), B(224), C(84), D(44), E(0) #3170978