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【单选题】
根据《国际海上避碰规则》2001年修正案的规定,有关船舶声号设备的配备,下列说法正确的是()。
A.
长度大于等于12m,但小于20m的船舶可以只配备一个号笛
B.
长度大于等于12m,但小于20m的船舶可以只配备一个号钟
C.
长度大于等于12m,但小于20m的船舶可以只配备一面号锣
D.
长度大于等于12m,但小于20m的船舶如不配备有号笛和号钟,可配备其他有效的声号设备
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