单项选择题

The floors in a vessel’s hull structure are kept from tripping，or folding over，by（）.

A.face plates
B.bottom longitudinals
C.longitudinal deck beams
D.transverse deck beams

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单项选择题
The decks of a ship are supported by transverse members called（）.

A.trusses
B.deck longitudinals
C.deck beams
D.web frames
单项选择题
The deck plating on a ship is supported primarily by deck longitudinals and deck（）.

A.girders
B.stanchions
C.frames
D.beams
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