Which of the following conditions may need to be reduced when operating a large, low speed, main propulsion, diesel engine at low loads?（）<br>A:Injection pressures<br>B:Control air supply pressure<br>C:Cooling water flow through after-coolers<br>D:Lube oil temperature

Which of the following conditions may need to be reduced when operating a large, low speed, main propulsion, diesel engine at low loads?（）
A:Injection pressures
B:Control air supply pressure
C:Cooling water flow through after-coolers
D:Lube oil temperature

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