Before hydraulic starting of an engine on a covered lifeboat，what need NOT be checked?（）<br>A:Fuel supply line valve<br>B:Pressure registered on the accumulator gauge<br>C:Cold-spark voltage readings test lamp<br>D:Engine stop control

Before hydraulic starting of an engine on a covered lifeboat，what need NOT be checked?（）
A:Fuel supply line valve
B:Pressure registered on the accumulator gauge
C:Cold-spark voltage readings test lamp
D:Engine stop control

出自：海船船员证

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