A.high pressure fluid accumulators
B.driving air-powered plunger pumps
C.filling open-circuit breathing systems
D.bladder-type accumulators
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A.Sailing Directions
B.Light List
C.List of Private Aids
D.Aids to Navigation Manual
A.radio time signal
B.comparison with a timepiece of known error
C.applying the prevailing chronometer rate to previous readings
D.All of the above
A.National Geospatial-Intelligence Agency
B.Coast Guard
C.Naval Observatory
D.National Ocean Service
A.underlined letters
B.capital letters
C.italics
D.boldface print
A.inconspicuous
B.conspicuous
C.a government facility or station
D.a radio transmitter
最新試題
Charts showing the coast of Mexico are produced by the United States（）.
Coast Pilots and navigational charts are kept corrected and up-to-date by using the（）.
Cumulus clouds that have undergone vertical development and have become cumulonimbus in form，indicate（）.
Diesel powered industrial trucks on a ship that are provided with safeguards to the exhaust，fuel，and electrical systems are designated（）.
Commercial ships or other persons or agencies requiring the assistance of Canadian Coast Guard icebreakers should first contact（）.
Deficient oxygen content inside a chain locker can be detected with（）.
Deck beams on a ship are generally spaced at equal intervals and run（）.
Dacron sails，when not in use，may be damaged if（）.
Complete information on weather broadcasts throughout the world is contained in（）.
Chart legends printed in capital letters show that the associated landmark is（）.