单项选择题
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Emergency full astern!()A.应急后退B.应急前进C.应急全速后退D.后退三
单项选择题Emergency full astern!()
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Emergency full ahead! ()A.应急全速后退B.应急全速前进C.应急半速后退D.应急半速前...
单项选择题Emergency full ahead! ()
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Stern thrust half to port!()A.尾推半速向左B.尾推全速向右C.尾推全速向左D.尾...
单项选择题Stern thrust half to port!()