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單項(xiàng)選擇題

The procedure of strengthening damaged structures on a ship by using wood or steel is called（）.

A.bracing
B.battening
C.blocking
D.shoring

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單項(xiàng)選擇題

The pillar shape that gives the greatest strength for the least weight is the（）.

A.octagonal pillar
B.H Beam pillar
C.I Beam pillar
D.circular type pillar

單項(xiàng)選擇題

The normal tendency for a loaded tanker is to（）.

A.hog
B.sag
C.have a permanent list
D.be very tender

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