阿摩線上測驗
19. The basic function of a boiler _______ is to generate the required amount of heat from a
given quantity of the specific fuel.
(A) wind box
(B) furnace
(C) uptake
(D) foundation
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統計： A(113), B(820), C(96), D(157), E(0) #2778114
統計： A(113), B(820), C(96), D(157), E(0) #2778114
