A.shear ram
B.blind ram
C.pipe ram
D.annular ram
您可能感興趣的試卷
你可能感興趣的試題
A.articulated anchor
B.Flipper Delta anchor
C.Baldt anchor
D.Danforth anchor
A.fairlead
B.heaving line
C.stay
D.warp
A.prevent them from falling when the vessel rolls
B.protect personnel from electrical shock
C.increase their operating efficiency
D.prevent unauthorized personnel from operating them
A.actual depth of water
B.actual depth of water below keel
C.average depth from waterline to hard bottom
D.average depth of water to soft bottom
A.floors
B.intercostals
C.girders
D.stringers
最新試題
Cargo pump relief valves are piped to the().
Centrifugal pumps have what advantage(s) over reciprocating pumps?().
An example of a modern anchor which has a stock is a(n)().
In ship construction,keel scantlings should be the greatest().
An LWT anchor often has difficulty tripping in().
Limit switches are used on which davits?()
The holding capability of an anchor is primarily determined by the().
In relation to cargo gear,what does SWL mean?().
The C02 flooding system is actuated by a sequence of steps which are().
The most common type of davit found on merchant vessels today is the().