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船舶通訊與航海英文(概要)題庫下載題庫

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35.Which of the following signal combinations are regarded as the「general emergency alarm」 that can be raised when accidents occur onboard vessels?
(A)Seven short and one prolonged blasts
(B)Two short and two prolonged blasts
(C)Two short and three prolonged blasts
(D)Three short blasts

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35.Which of the following signal combina..-阿摩線上測驗