40. Which systems distribute seawater from fireman to sprinkling nozzles?
(A) Cooling water
(B) Seawater sprinkling
(C) Fuel oil
(D) Control air

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統計： A(68), B(458), C(83), D(30), E(0) #3247655

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#6140708
(A) Cooling water（冷卻...
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