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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：2022-01-03 03:12 关键词： 船舶电气与船舶安全

答案解析

D