单项选择题
A.forward perpendicular B.amidships C.longitudinal center of floatation D.after perpendicular
In a transversely framed ship，the transverse frames are...
单项选择题In a transversely framed ship，the transverse frames are supported by all of the following EXCEPT（）.
A.girders B.longitudinals C.side stringers D.web plates
In a longitudinally-framed ship，the longitudinal frames...
单项选择题In a longitudinally-framed ship，the longitudinal frames are held in place and supported by athwartship members called（）.
A.floors B.margin plates C.stringers D.web frames
I hereby（）you，on behalf of the Loocki Grain Co.，Lisbon，...
单项选择题I hereby（）you，on behalf of the Loocki Grain Co.，Lisbon，to pay to the Harbor Master of the Santa Marta，Columbia，the sum of 500，000 Peso which represents a fine levied on the above-named vessel for polluting the coastal waters with oily water.
A.permit B.entitle C.authorize D.give the right to
