單項選擇題

A shepherd’s crook is used to（）.

A.lower spring buoys into the water
B.find an anchor after the buoy has been lost
C.transfer a pennant wire to the anchor handling boat
D.clean chain as it is hauled into the rig

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單項選擇題

A set of interior steps on a ship leading up to a deck from below is know as（）.

A.a companion way
B.'tween-decks
C.stairs
D.Any of the above are acceptable

單項選擇題

A set of clamps that are latched onto the drill pipe to allow the driller to raise or lower the drill string out of or into the hole are the（）.

A.lifts
B.collars
C.elevators
D.clamps

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A shepherd’s crook is used to（）.

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A set of interior steps on a ship leading up to a deck from below is know as（）.

A set of clamps that are latched onto the drill pipe to allow the driller to raise or lower the drill string out of or into the hole are the（）.