单选题The main purpose of inspection for a running diesel engine is（）Atesting for the mechanical load and the thermal loadBinspecting thermal and mechanical condition of the engineCinspecting each system and exhaust temperatureDtesting for compress pressure and explosion pressure
单选题
The main purpose of inspection for a running diesel engine is（）
A
testing for the mechanical load and the thermal load
B
inspecting thermal and mechanical condition of the engine
C
inspecting each system and exhaust temperature
D
testing for compress pressure and explosion pressure
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