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單項(xiàng)選擇題

Increasing the area of the anchor flukes will（）.

A.increase holding power
B.decrease holding power
C.make penetration more complete
D.not effect holding power

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單項(xiàng)選擇題

Increasing the number of slack liquid tanks has effect of raising the（）.

A.uncorrected KG
B.maximun allowed KG
C.virtual height of the center of gravity
D.metacentric height

單項(xiàng)選擇題

Information on shipping movements can be（）by radio from Dover Port Control.

A.got
B.made
C.obtained
D.taken