单项选择题
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
Deck beams on a vessel are generally spaced at equal in...
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
Concentrated heavy loads are involved in loading a LASH...
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
Compared to internal structural plating，the exterior hu...
单项选择题Compared to internal structural plating，the exterior hull plating on a vessel is usually（）.
A.stronger B.thinner C.more corrosion resistant D.a lower grade steel
