单项选择题
Vertical partitions which provide strength and compartmentalization on a ship are called（）.
A.decks B.bulkheads C.joiner work D.walls
单项选择题 Transverse stability calculations require the use of（）.
单项选择题 To shore up the main deck for the stowage of deck cargo means to（）.
单项选择题 The strength of a deck will be increased by adding（）.
