A.examine
B.to examine
C.being examined
D.examining
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A.necessity
B.responsibility
C.requirement
D.stipulation
A.to windward should be opened and the ones to leeward should be closed
B.to leeward should be opened and the ones to windward should be closed
C.should be opened
D.should be closed
A.squaring the corners
B.rounding the corners
C.plug welding the corners
D.slot welding the corners
A.cast iron
B.forged steel
C.stainless steel
D.cast steel
A.timber or steel rails
B.locomotives or boilers
C.railway passenger coaches
D.motor vehicles
最新試題
The anchors on the bow are known as（）.
The conclusion is（）the said ship is fit to continue to sail.
Before welding can be done in a tank that has carried petroleum products，a certificate must be obtained from（）.
In the ship construction portfolio，materials which do not conform to ASTM or ABS specifications must also include the（）.
The end of the joint with the exterior threads is called the（）.
Cracks may be prevented from developing at the corners of welded plating inserts by（）.
At（）an occasional survey has been carried out．
The burden of proving unseaworthiness is upon those who（）it.
The angle between the flukes and the shank of an anchor is called the（）.
The document on a vessel，annually endorsed by an American Bureau of Shipping surveyor，is called the（）.