Before engaging the turning gear and turning the diesel engine, which of the following operation should be done except（）<br>A:open the indicator cocks<br>B:supply some CYL Oil to cylinder liner wall with lubricator (only for two stoke diesel engine)<br>C:put the fuel handle in the “stop” position<br>D:pump up the air bottle

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 CYL Oil to cylinder liner wall with lubricator (only for two stoke diesel engine)
C:put the fuel handle in the “stop” position
D:pump up the air bottle

出自：海船船员证

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