单项选择题
Which of the listed diesel engine operating conditions should be checked immediately after any diesel engine is started?（）
A.Exhaust temperature
B.Lube oil level
C.Lube oil pressure
D.Water level in the expansion tank
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A.maximum power at a normal load
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D.normal operating temperature without a load -
单项选择题
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A.lube oil temperature at the cooler outlet
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