A.floors
B.intercostals
C.girders
D.stringers
您可能感興趣的試卷
你可能感興趣的試題
A.camel
B.dolphin
C.rat guard
D.wedge
A.bottom floor
B.outer bottom
C.shear plating
D.tank top
A.bar securing a cargo port
B.centerline vertical bulkhead
C.deep beam
D.spanner stay
A.increase the lifting capacity
B.increase the lifting radius
C.protect the slings
D.protect the upper part of a load
A.keeps sparks from falling into an open tank
B.secures covers on ullage openings
C.prevents sparks from getting out of an engine's exhaust system
D.grounds static electricity
最新試題
An integral part of a blowout preventer that serves as the closing element on an open hole，and whose ends do not fit around the drill pipe but seal against each other and shut off the space below completely is the（）.
The series of valves used to control the return flow in well control operations is called the（）.
Centrifugal pumps have what advantage(s) over reciprocating pumps?（）.
The purpose of a bilge well is to（）.
Permission is kindly requested（）the ballast water.
In ship construction，keel scantlings should be the greatest（）.
In nautical terminology a dog is a（）.
The rudders are amidships and both screws are going ahead. What will happen if the starboard screw is stopped?（）
An example of a modern anchor which has a stock is a(n)（）.
The C02 flooding system is actuated by a sequence of steps which are（）.