99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

單項(xiàng)選擇題

When an azimuth of the Sun has been taken and the deviation of the standard magnetic compass computed,the watch officer should record the results().

A.in the vessel's Official Logbook
B.on the compass deviation card
C.in the compass deviation log
D.on a Napier diagram

微信掃碼免費(fèi)搜題