A.at any location
B.on the drill floor and liquid mud handling areas
C.in bulk storage tanks
D.in machinery spaces
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A.speed healing
B.prevent infection
C.reduce inflammation
D.increase blood circulation
A.Cut the painter line so that it will not pull the liferaft container down
B.Swim away from the container so that you will not be in danger as it goes down
C.Take no action as the pull on the painter will cause the liferaft to inflate and open the container
D.Manually open the container and inflate the liferaft with the hand pump
A.Their bearing is almost constant，even when the true bearing of the contact changes appreciably
B.They always appear on a bearing of 90°From the true bearing of the contact
C.The indirect echoes usually appear in shadow sectors
D.When plotted，their movements are usually abnormal
A.sound signal
B.light signal
C.visual signal
D.radiotelephone
A.icebreaker support is finished
B.icebreaker support is commencing
C.the icebreaker is icebound
D.the icebreaker is beset
最新試題
An entry of water，gas，oil，or other formation fluid into the wellbore is called a（）.
An icebreaker may use the code letter “K” to remind ships of their obligation to listen continuously on their radio. This signal may be made by any of the following EXCEPT（）.
All of the following vessels are “restricted in their ability to maneuver” EXCEPT a vessel （）.
An azimuth angle for a body is measured from the（）.
In handling break bulk hazardous materials，it is forbidden to use（）.
AMVER is a system which provides（）.
An inflatable liferaft is floating in its container，attached to the ship by its painter，as the ship is sinking rapidly. Which action should be taken with respect to the liferaft container? （）
An aneroid barometer on a boat should always be（）.
An authorized light to assist in the identification of submarines operating on the surface is a(n)（）.
An example of an anchor which has a stock is a（）.