A.船首頂風(fēng) B.船尾迎風(fēng) C.正橫附近對(duì)風(fēng) D.右舷30°附近對(duì)風(fēng)
A.船尾轉(zhuǎn)向下風(fēng),使船首轉(zhuǎn)向上風(fēng),容易保向 B.船尾轉(zhuǎn)向上風(fēng),使船首轉(zhuǎn)向下風(fēng),容易保向 C.船尾轉(zhuǎn)向下風(fēng),使船首轉(zhuǎn)向上風(fēng),不易保向 D.船尾轉(zhuǎn)向上風(fēng),使船首轉(zhuǎn)向下風(fēng),不易保向
A.右正橫 B.左正橫 C.右正橫略前 D.右正橫略后