题目内容
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[主观题]
Which of the following is the stated proper sequence before commencing cargo operations ab
oard Ro-Ro vessels?
A.Start ventilation,lower the ramp,notify engine room
B.Lower the ramp,start ventilation,notify engine room
C.Notify engine room,lower the ramp,start ventilation
D.Start ventilation,notify engine room,lower the ramp
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