189.When using engine braking to decelerate (such as on a long downhill slope), how should you operate?
(A) Activate the O/D (overdrive) gear.
(B) Deactivate the O/D gear or shift to a lower gear.
(C) Shift to N(neutral) gear.

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#7522064
考試重點觀念 本題在考 「引擎煞車(En...
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