Fire protection regulations for towing vessels require all crew members to know how to perform each of these tasks EXCEPT（）.<br>A:start the mechanical ventilation system for the engine room<br>B:operate the fuel shut-off for the engine room<br>C:operate all fire extinguishing equipment aboard the vessel on board the vessel，including starting the fire pump<br>D:All of the above

Fire protection regulations for towing vessels require all crew members to know how to perform each of these tasks EXCEPT（）.
A:start the mechanical ventilation system for the engine room
B:operate the fuel shut-off for the engine room
C:operate all fire extinguishing equipment aboard the vessel on board the vessel，including starting the fire pump
D:All of the above

出自：海船船员证

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