单选题The fuel booster pump and steam to fuel heater, together with fuel pipe heater tracer line should be shut off as soon as the （） order is acknowledged.Afinished with enginesBstopCstand byDfull ahead
单选题
The fuel booster pump and steam to fuel heater, together with fuel pipe heater tracer line should be shut off as soon as the （） order is acknowledged.
A
finished with engines
B
stop
C
stand by
D
full ahead
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