A.flex joint
B.slip joint
C.heave joint
D.riser joint
您可能感興趣的試卷
你可能感興趣的試題
A.stringers
B.girders
C.breasthooks
D.deck beams
A.in
B.on
C.out
D.with
A.cargo handling machines
B.deck winches and derricks
C.engine-room tools
D.course controlling system
A.the galvanizing on steel
B.a hatch cover
C.the outer plating of a vessel
D.synonymous with decking
A.away from galleys,living quarters,or navigation spaces
B.only from areas equipped with power ventilation systems
C.from the open deck
D.isolated from sources of vapor ignition
最新試題
A wildcat is a().
Forecastle deck is located in the ship’s().
Shell plating is().
A single fitting installed in a pipeline that either blanks off the pipe or allows a full flow passage of a liquid through the pipe is referred to as a().
In vessel construction,a greater number of watertight bulkheads results in().
Gross tonnage indicates the vessel’s().
Holes in the bulwark,which allow deck water to drain into the sea,are().
The purpose of cant frames in steel vessels is().
The platform that supports the derrickman when tripping pipe is called the().
Grinding to eliminate shallow surface defects should be done().