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

<dl id="s9eha"><strong id="s9eha"></strong></dl>

單項(xiàng)選擇題

Charts are subject to frequent correction according to （）.

A.Notices to Mariners
B.Mariner's handbook
C.Sailing Directions
D.Guide to Port Entry

你可能感興趣的試題

單項(xiàng)選擇題

Contour elevations on this chart refer to heights in feet above mean （）.

A.lower low water
B.high water
C.low water
D.sea level

單項(xiàng)選擇題

Navigational charts are subject to frequent changes，the important ones of which are promulgated by （）.

A.Admiralty Notices to Mariners
B.Mariner's Handbook
C.Catalogue
D.Sailing Directions

<em id="vglvq"></em>