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The sailors are （）the leakage in fire-fighting and life-saving operations.
- A、blocking up
- B、looking up
- C、looking out
- D、taking up
参考答案
更多 “The sailors are （）the leakage in fire-fighting and life-saving operations.A、blocking upB、looking upC、looking outD、taking up” 相关考题
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单选题It can be inferred from paragraph 5 that ______.A
data leakage is more severe in EuropeB
FTC’s decision is essential to data securityC
California takes the lead in security legislationD
legal penalty is a major Solomon to data leakage
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单选题The sailors are （）the leakage in fire-fighting and life-saving operations.A
blocking upB
looking upC
looking outD
taking up
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单选题（）mooring,sailors put the rat guard on the moorings.A
In the end ofB
At the end ofC
On top ofD
At the top of
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单选题船舶发生溢油事故时，水手的主要工作是清理油污。（）A
When oilspilling happens on board, the sailors’ work is to do oil-cleaning.B
When oilspilling happens on board, the sailors’ work is painting.C
When oilspilling happens on board, the sailors’ work is to do some repair work.D
When oilspilling happens on board, the captain is in over command of it.
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单选题The sailors （）are making preparations for unmooring.A
on the bridgeB
at the sternC
in the cabinD
in the engine room
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erosion and cratering of the nozzle orificesB
fuel leakage into the nozzle drain lineC
fuel leakage before and after injectionD
insufficient fuel delivery though that nozzle
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单选题External and internal leakage in hydraulic systems may be caused by （）.A
unusual vibrationB
excessive worn partsC
abnormal pressureD
any of the above
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单选题The main tasks for sailors on duty are, first of all,（）the persons who come on board to do their business.A
receivedB
receivesC
receivingD
receive
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单选题Some vessels are equipped with a water lubricated stern robeWhen at sea, operating under normal conditions, the water service valve from the ships saltwater system to the bearing should be （）.A
closed, and no leakage permitted across the shaft packingB
closed, and only slight leakage permitted across the shaft packingC
open, and no leakage permitted across the shaft packingD
open, and only slight leakage permitted across the shaft packing
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