单项选择题
A.camber B.deck beam brackets C.hatch beams D.sheer
The result of two forces acting in opposite directions ...
单项选择题The result of two forces acting in opposite directions and along parallel lines，is an example of what type of stress?（）
A.Tensile B.Compression C.Shear D.Strain
The purpose of sheer in ship construction is to（）.A.all...
单项选择题The purpose of sheer in ship construction is to（）.
A.allow the ship to ride waves with drier decks B.eliminate the need for butt straps C.eliminate the need for margin plates D.give greater strength at the deck edge
The procedure of strengthening damaged structures on a ...
单项选择题The procedure of strengthening damaged structures on a ship by using wood or steel is called（）.
A.bracing B.battening C.blocking D.shoring
