单选题When restarting a heavy fuel diesel engine that has been stopped for some time, the engine should（）Aincrease the starting air pressureBuse a higher than normal cranking speedCincrease the fuel injection pressureDuse a fuel having a lower ignition temperature
单选题
When restarting a heavy fuel diesel engine that has been stopped for some time, the engine should（）
A
increase the starting air pressure
B
use a higher than normal cranking speed
C
increase the fuel injection pressure
D
use a fuel having a lower ignition temperature
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