单项选择题
The terms ceiling and margin plate are associated with the（）.
A.crew's quarters B.engine room C.main deck D.tank top
单项选择题 The stevedores have already stowed the porcelain ware（）up to the deckhead.
单项选择题 The process of lowering a boom to a horizontal position and onto its deck support is called（）.
单项选择题 The minimum length of a boat painter for a lifeboat in ocean service is（）.
