A.to discharge
B.discharge
C.discharging
D.to be discharging
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A.load
B.loading
C.will load
D.to load
A.riser stabilizers
B.guideline tensioning system
C.riser tensioning system
D.guideline stabilizers
A.discharge
B.recircle
C.load
D.take in
A.out
B.beyond
C.from
D.off
A.butterfly valve
B.spectacle valve
C.check valve
D.globe valve
最新試題
The Master or person in charge of a ship shall ensure the crane record book shows the（）.
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When instructing a crew member concerning the right way to lift a weight，you would instruct him to（）.
What is the purpose of the equalizing beam aboard a crane vessel（）.
The net productivity per gang-hour can be improved through a decrease of（）.
How should you signal the crane operator to hoist（）.
When discharging an oil cargo，the first consideration is to（）.
When viewed from above，the best position for the guy in relation to the boom is（）.
What does “evel-luffing” accomplish during crane operations（）.
What is meant by the term“l(fā)uffing the boom”of a crane（）．