A.alternate expansion and contraction as water in a liquid state becomes a vapor
B.absorption of smoke and gases as water is converted from a liquid to a vapor
C.rapid contraction as water is converted from a liquid to a vapor
D.rapid expansion as water absorbs heat and changes to steam
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A.detachable link
B.stud link
C.Kenter link
D.connection link
A.flame stopper
B.flame screen
C.flame filter
D.flame restrictor
A.enlarge bit
B.casing bit
C.hole opener
D.casing opener
A.velocity of the current
B.bottom characteristics
C.depth of the water
D.speed over the ground
A.speed being made good
B.speed through the water
C.the set of the current
D.the depth of the water
最新試題
The circulation around a low pressure center in the Northern Hemisphere is（）.
Which of the following is not an operation mode of AIS?（）
Berthing means bringing a vessel to her berth until（）.
（）is on the panel of radar.
Fog is likely to occur when there is little difference between the dew point and the（）.
Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.
It is dangerous for vessels without the operational radar（）the estuary.
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
Before any loading takes place any signs of the previous cargo should do（）.
Full details of all lights and fog signals are shown on（）.