Start the turning gear, and with some one hand-operating the cylinder lubricators at regular intervals, and with the indicator cocks （）, and with the control gear in the （）position, give the engine at least one complete turn.<br>A:open；“stop”<br>B:closed；“stop”<br>C:open；“start”<br>D:closed；“start”

Start the turning gear, and with some one hand-operating the cylinder lubricators at regular intervals, and with the indicator cocks （）, and with the control gear in the （）position, give the engine at least one complete turn.
A:open；“stop”
B:closed；“stop”
C:open；“start”
D:closed；“start”

出自：海船船员证

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