A.including
B.besides
C.except
D.in addition to
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A.hoisting cargo aboard a vessel
B.hoisting personnel aboard a vessel
C.securing a small boat to a large vessel
D.hoisting the anchor
A.slipway
B.graving dock
C.ground warp
D.caisson dock
A.Moving high weights lower
B.Adding weight at the tipping center
C.Moving a weight forward
D.Moving lower weight high
最新試題
When viewed from above，the best position for the guy in relation to the boom is（）.
How should you signal the crane operator to lower the boom and raise the load（）.
Most pedestal crane power is provided by（）.
When discharging an oil cargo，the first consideration is to（）.
Which of the following statements is FALSE concerning cranes being installed on the centerline of vessels（）.
On no account（）to be exceeded.
How should you signal the crane operator to move slowly（）.
Which operation may cause the pressure in an inert tank to fall below the prescribed limits（）.
What is/are the advantage（s）of cranes over conventional cargo booms（）.
When discharging oil from an oil tanker the instantaneous rate（）60 liters per nautical mile.