A.MAF
B.MAB
C.MAA
D.MAE
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A.a line on a weather map connecting equal points of both temperature and pressure
B.an instrument that measures the climatological effects of temperature
C.a line connecting points of equal barometric pressure on a weather map
D.a line connecting points of equal temperature on a weather map
A.fitted in each leg of the towing bridle
B.generally located between the "fishplate" and the main towing hawser
C.secured at the "H" bitts
D.usually made of manila hawser
A.thermometer
B.barometer
C.hygrograph
D.thermograph
A.weather vane，wind vane or wind sock
B.hydrometer
C.hygrometer
D.sling psychrometer
A.set the relief valve
B.check the lubrication system
C.vent the pump casing
D.open the pump suction and discharge valves
最新試題
At 2200 you take the following loran readings: 9960-W-15064.5; 9960-Y-43954.8. Which statement is TRUE? （）
Any firefighting equipment that is carried in addition to the minimum required number on a ship must（）.
At 1920，the buoy forward of your starboard beam is（）.
At 0230 on 13 August，you are at mile 610.5 AHP when you see about a mile ahead lights on the water near the left bank. What might you see when you come abreast of these lights? （）
Antares is found in what constellation?（）
As it approaches，a typical warm front will bring（）.
As the temperature of an air mass decreases，the（）.
At 0100 you notice that the wind has become SSW’ly and has freshened. At 0200 you sight Stratford Point Lighted Bell Buoy “18” bearing 268°pgc. At 0215 the buoy bears 269°pgc. Which statement is TRUE?（）
At 1810，you sight a buoy on your starboard side labeled “19”. This buoy marks（）.
Aphelion is the point where the Sun（）.