问题描述：
[单选]
Once a scavenge fire is detected the engine（）．
A．will be speeded up
B．should be slowed down
C．must slow down
D．have to be slow dow
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答案解析：无
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上一篇：Once a scavenge fire is detected， fuel should be shut off from the affected cylinders and cylinder lubrication increased（）the risk of seizure．
下一篇：Once a fire is detected the engine should be slowed downOn no account（）．
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