The fuel supply system to an automatic auxiliary boiler, will be automatically shutdown if the boiler （）<br>A:salinity is abnormally high<br>B:steam demand is too high<br>C:water level is abnormally low<br>D:feedwater flow is low

The fuel supply system to an automatic auxiliary boiler, will be automatically shutdown if the boiler （）
A:salinity is abnormally high
B:steam demand is too high
C:water level is abnormally low
D:feedwater flow is low

出自：海船船员证

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