The（）is a series of trials done at sea to determine whether the ship has met the specifications of design, modification, or repair.

When is dock survey carried out?（）A.During annual repai...

单项选择题When is dock survey carried out?（）

（）, where a ship is refitted for a different use.A.Voya...

单项选择题（）, where a ship is refitted for a different use.

（）, where extensive work, particularly to the ship’s st...

单项选择题（）, where extensive work, particularly to the ship’s structure may be repairedThese are the result of groundings collisions and other accidents.