试题详情单项选择题白天看到他船在主桅上垂直悬挂两个黑球,表示()。A、锚泊船B、拖带船C、失控船D、捕鱼船正确答案:C答案解析:关注下方微信公众号,在线模考后查看热门试题This is a radio ()(测inspection()工班()吊货索()There are many kinds航向记录器()所有电焊过的部位,都应用敲锈锤和钢丝刷将inspector()It is necessary for Pull out the nails w所谓船舶处于“台风严重威胁中”,是指当台pilot lamp()lead block()What would you do ifship chandler()Write down your(名字)(The sailor should ()吃水和干舷是指船舶尺度。广州港是属于全日潮港。towing line()