A.sealing clamps
B.repair tape
C.a tube patch
D.sail twine and vulcanizing kit
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A.hull cleaning
B.derusting and painting
C.the maintenance of boiler
D.docking and undocking
A.repair
B.to repair
C.repairing
D.repaired
A.repaired
B.repair
C.repairing
D.repairs
A.repair
B.repairing
C.to repair
D.be repaired
A.approval
B.authorization
C.consideration
D.discussion
最新試題
The damaged cargo is not allowed to export without（）.
The two factors which make underwater hull repair difficult are accessibility and the（）.
No repairs can be done without the Harbor Master’s（）.
The required fireman’s outfits required for ship’s are not to be used for any other purpose EXCEPT for the（）.
If your bridge-to-bridge radiotelephone ceases to operate，you must（）.
Repairing damage to the hull at or above the waterline reduces the threat of（）.
In comparison to electric power，hydraulic power for jacking systems has the advantage of（）.
Records which must be retained on board after report of casualty to a vessel include the（）.
Repair of structures on a ship in the vicinity of liquid mud handling areas presents what possible hazard?（）
The equipment is very old．It’s not worth（）.