单选题Before engaging the turning gear and turning the diesel engine, which of the following operation should be done except（）Aopen the indicator cocksBsupply some CYL Oil to cylinder liner wall with lubricator (only for two stoke diesel engine)Cput the fuel handle in the “stop” positionDpump up the air bottle
单选题
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
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