14.柴油主機排氣中氮氧化物(NOX)的減量方法,在各種處理方式中,最有效率的為下列何 者?
(A)燃油噴射延遲(Retard injection)
(B)氣缸噴水(Direct water injection)
(C)排氣再循環EGR(Exhaust Gas Recirculation)
(D)選擇性觸媒轉換器SCR(Selective Catalytic Reduction)

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統計: A(3), B(3), C(17), D(70), E(0) #1111742