How should you warm up a diesel engine that has not been run for some time? （）<br>A:Run it at minimum speed for a period of time<br>B:Run it at half speed for a period of time<br>C:Bring it to top speed immediately<br>D:Inject ether into the air intake

How should you warm up a diesel engine that has not been run for some time? （）
A:Run it at minimum speed for a period of time
B:Run it at half speed for a period of time
C:Bring it to top speed immediately
D:Inject ether into the air intake

出自：海船船员证

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