单项选择题
Floors aboard ship are（）.
A.frames to which the tank top and bottom shell are fastened on a double bottomed ship
B.transverse members of the ships frame which support the decks
C.longitudinal beams in the extreme bottom of a ship from which the ship's ribs start
D.longitudinal angle bars fastened to a surface for strength
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相关考题
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单项选择题
（）is not a static load.
A.Actual weight of the ship's structure，outfitting，equipment and machinery
B.Ballast load（weight）
C.Cargo load
D.Slamming and sloshing load -
单项选择题
（）is not a longitudinal structural member.
A.sideshell
B.bottom shell plating
C.inner bottom plating
D.transverse bulkhead -
单项选择题
What is used to prevent twisting of a towing bridle?（）
A.A bitt
B.A bulkhead
C.A V-spring
D.A fishplate
