单选题A cofferdam is（）.Aany deck below the main deck and above the lowest deckBa member that gives fore-and-aft strengthCmade by placing two bulkheads a few feet apartDa heavy fore-and-aft beam under the deck
单选题
A cofferdam is（）.
A
any deck below the main deck and above the lowest deck
B
a member that gives fore-and-aft strength
C
made by placing two bulkheads a few feet apart
D
a heavy fore-and-aft beam under the deck
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相关考题：
What is a cofferdam ________．A.Tube fitted to an ullage holeB.Area the product is loaded intoC.Void or empty space separating two tanksD.Opening in the deck used for cleaning a tank
单选题A cofferdam is（）.Aany deck below the main deck and above the lowest deckBa member that gives fore-and-strengthCmade by placing two bulkhead a few feet apartDa heavy fore-and-aft beam under the deck
单选题What is a cofferdam（）.ATube fitted to an ullage holeBArea the product is loaded intoCVoid or empty space separating two tanksDOpening in the deck used for cleaning a tank