30.依國際海上避碰規則第三十四條「運轉與警告信號」,「THREE short blasts」表示:
(A)I am altering my course to starboard.
(B)I am altering my course to port.
(C)I am operating astern propulsion.
(D)I am operating ahead propulsion.
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統計: A(4), B(7), C(44), D(1), E(0) #1192524
統計: A(4), B(7), C(44), D(1), E(0) #1192524