阿摩線上測驗
31. The oil burners generally consist of two principal parts, namely the atomizer and the air
__________.
(A) injector device
(B) compressive component
(C) cooling fin
(D) register assembly
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統計： A(327), B(318), C(148), D(356), E(0) #3039185
統計： A(327), B(318), C(148), D(356), E(0) #3039185
