单项选择题
A.stress plate B.keel C.rider plate D.main beam
Support of ship side plating is provided primarily by t...
单项选择题Support of ship side plating is provided primarily by transverse（）.
A.beams B.girders C.frames D.bulkheads
Structural stress on a ship can be reduced by（）.A.lesse...
单项选择题Structural stress on a ship can be reduced by（）.
A.lessening the effect of environmental forces B.even and symmetrical variable loading C.local concentration of heavy consumables D.increasing the metacentric height
Structural stress levels in a ship are the sum of loadi...
单项选择题Structural stress levels in a ship are the sum of loading stresses and stresses due to（）.
A.environmental loads B.variable loads C.ballast loading D.mooring loads
