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The load limitation of governor should be reduced when ship navigating at sea, the main reason is to .
A、preventthedieselenginesurging
B、preventgovernorfrombeingdamagedbecauseofswing
C、reducetheprobabilityofthecrankshaftbeingtorsionalvibratedandresonated
D、preventthemainenginebeingoverloadoroverspeed
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