Before engaging the turning gear and turning the diesel engine, which of the following operation should be done except ()

A . open the indicator cocks B . supply some LO to cylinder liner wall with lubricator C . put the fuel handle in the "stop" position D . pump up the air bottle

时间:2022-09-08 08:36:13 所属题库:船舶电气与船舶安全题库

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