单项选择题
A.stringers B.side frames C.side stiffeners D.intercostals
In vessel construction,beams are transverse girders whi...
单项选择题In vessel construction,beams are transverse girders which provide support to().
A.bulkheads B.deckhouse structures C.decks D.vertical frames
In vessel construction,beam brackets are triangular pla...
单项选择题In vessel construction,beam brackets are triangular plates that join the deck beam to a().
A.bulkhead B.frame C.stanchion D.deck longitudinal
In Hatch No.3 the cargo()bulk is peaked.A.inB.onC.withD...
单项选择题In Hatch No.3 the cargo()bulk is peaked.
A.in B.on C.with D.for