You should log all barometer readings taken at sea ______.A.regularlyB.at least once during each watchC.more often under changeable weather conditionsD.All of the above
You should log all barometer readings taken at sea ______.
A.regularly
B.at least once during each watch
C.more often under changeable weather conditions
D.All of the above
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单选题At the beginning of the watch the current operational parameters and the condition of all machinery should be verified and also the log readings should correspond with those （）.Anoted by the bridge officerBtold by last duty engineerCobservedDin the instruction manual