A.center of gravity
B.center of flotation
C.metacenter
D.metacentric height
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A.thirsty
B.sick or injured
C.wet
D.awake
A.Globe valve
B.Butterfly valve
C.Gate valve
D.Packless valve
A.center of gravity
B.metacenter
C.center of flotation
D.keel
A.Carefully and neatly erase the entryand rewrite it correctly
B.Remove this page of the log book and rewrite all entries on a clean page
C.Blot out the error completely and rewrite the entry correctly
D.Cross out the error with a single line and rewrite the entry correctly
A.cross out the error with a single line,and write the correct entry ,then initialit
B.carefully and neatly erase the and rewrite it correctly
C.remove this page of the log book , and rewrite all entries on a clean page
D.Blot out the error completely and rewrite the entry correctly
最新試題
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Where would you find information about the time of high tide at a specific location on a particular day of the year?（）
The company should establish and maintain procedures to control all documents and date which are relevant to（）.
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（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
The circulation around a low pressure center in the Northern Hemisphere is（）.
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