How should you warm up a diesel engine that has not been run for some time? （）
- ARun it at minimum speed for a period of time
- BRun it at half speed for a period of time
- CBring it to top speed immediately
- DInject ether into the air intake
问题
How should you warm up a diesel engine
参考解析：
分类：船舶动力装置题库,海船船员考试题库
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