An electrically driven automatically operating auxiliary blower is provided for slow speed and （） of a low speed diesel engine.<br>A:manoeuvring operations<br>B:bad combustion<br>C:cooling<br>D:mooring trial

An electrically driven automatically operating auxiliary blower is provided for slow speed and （） of a low speed diesel engine.
A:manoeuvring operations
B:bad combustion
C:cooling
D:mooring trial

出自：海船船员证

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