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
Floors aboard ship are（）.
A.also called decks
B.vertical transverse plates connecting the vertical keel with the margin plates
C.large beams fitted in various parts of the vessel for additional strength
D.found in passenger and berthing spaces only -
单项选择题
Deck beams on a vessel are generally spaced at equal intervals and run（）.
A.longitudinally
B.vertically
C.transversely
D.intermittently -
单项选择题
Concentrated heavy loads are involved in loading a LASH vessel. What does NOT require close attention due to such loads while working cargo?（） .
A.GM - available and required
B.Longitudinal stress numeral
C.Tons per inch immersion numeral
D.Draft
