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
Cumulus clouds that have undergone vertical development and have become cumulonimbus in form，indicate（）.
Changing rescuers while carrying out artificial respiration should be done（）.
Diesel powered industrial trucks on a ship that are provided with safeguards to the exhaust，fuel，and electrical systems are designated（）.
Deficient oxygen content inside a chain locker can be detected with（）.
Denebola is found in what constellation?（）
Concerning a celestial observation，the azimuth angle is measured from the principal vertical circle to the（）.
Compared to a low pressure system，generally the air in a high is（）.
Compliance with the terms of the load line certificate on a ship is the responsibility of the（）.
Chart legends which indicate a conspicuous landmark are printed in（）.
Dacron sails，when not in use，may be damaged if（）.