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A head on situation shall be deemed to exist at ni...

海船船员考试

单选题

A head on situation shall be deemed to exist at night when a power-driven vessel sees another power-driven vessel ahead and （）.

发布日期：2021-03-22

A.one sidelight and the masthead light are visible

B.the vessels will pass closer than half a mile

C.both vessels sound one prolonged blast

D.both sidelights and masthead light(s) are visible

标签： head situation deemed exist night

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