When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）<br>A:During operation at low speed<br>B:During operation at rated speed, but low power output<br>C:During acceleration<br>D:All of the above

When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
A:During operation at low speed
B:During operation at rated speed, but low power output
C:During acceleration
D:All of the above

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