39. SulzerRT-flex共軌式電子燃油噴射系統共軌式噴油閥的噴射定時、噴油量及噴油率或噴油型態係由何種裝置來控制?
(A) Volumetric fuel injection unit
(B) WECS9500 control system
(C) Variable injection timing
(D) Variable exhaust closing

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統計: A(35), B(5), C(11), D(1), E(0) #3833303