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單項選擇題

Lighter longitudinal stiffening frames on the vessel side pating are called（）.

A.stringers
B.side frames
C.side stiffeners
D.intercostals

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單項選擇題

Line throwing equipment should not be operated（）.

A.during a rain storm
B.in an explosive atmosphere
C.near a lifeboat station
D.by other than licensed officers

單項選擇題

Logbooks are used to record the events occurring when（）.

A.the ship is in a harbor
B.the ship is at anchorage
C.the ship is underway
D.All of the above

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