A.degaussed
B.demagnetized
C.soaked
D.sandblasted
您可能感興趣的試卷
你可能感興趣的試題
A.wooden plug
B.soft rubber plug
C.two-piece soft patch
D.mechanical means of closing
A.drop strakes
B.stealers
C.throughs
D.voids
A.help keep the deck dry
B.prevent stress concentrations on the stringer plate
C.protect against twisting forces exerted on the frame of the vessel
D.reinforce the side stringers
A.plating
B.beam
C.stiffener
D.stanchion
A.located next to and parallel to the keel
B.located next to and parallel to the gunwale
C.another term for the bilge keel
D.another term for the rub rail
最新試題
Buckler plates are（）.
Forecastle deck is located in the ship’s（）.
A wildcat is a（）.
Grinding to eliminate shallow surface defects should be done（）.
Prior to magnetic particle inspection of anchor chain，the chain should be（）.
Fuel oil tank vents are fitted with a screen which will stop（）.
Owing to the greater girth of a ship amidships than at the ends，certain strakes are dropped as they approach the bow and stern to reduce the amount of plating at the ends. These strakes are called（）.
Electric cargo winches have an overload safety device which normally cuts the current to the winch motor（）.
In vessel construction，a greater number of watertight bulkheads results in（）.
The joint of the riser in a marine riser system that compensates for heave，the up-and-down motion of a floater，is the（）.