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【单选题】
关于操纵号灯说法正确的是： Ⅰ、与桅灯相同特性的一盏 Ⅱ、一盏白色环照灯 Ⅲ、其小能见距离应为 6 海里 Ⅳ、其小能见距离应为 3 海里A.
Ⅰ、Ⅲ
B.
Ⅱ
C.
Ⅱ、Ⅳ
D.
Ⅱ、Ⅲ
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