19. GMDSS船舶使用9位數字做為船舶識別碼，9位數字中最左三位數代表下列何種意義？(A) 船籍港碼(B) 公司碼(C) 船型碼(D) 國籍碼

2. By SMCP, choose one of the following sentences for expressing “Vessel is heeling over to port side; cargo will be put overboard to stop heeling.” (A) “I am pitching over to port; I will jettison cargo to stop pitching.” (B) “I am yawing over to port; I will put cargo over board to stop yawing.” (C) “I have a dangerous list to port; I will jettison cargo to stop listing.” (D) “I have a dangerous rolling to port; I will put cargo over board to stop list.”

19. GMDSS船舶使用9位數字做為船舶識別碼，9位數字中最左三位數代表下列何種意義？
(A) 船籍港碼
(B) 公司碼
(C) 船型碼
(D) 國籍碼

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