A、stand by on VHF channel 14
B、come to VHF channel 14
C、VHF channel 14 is the best place for you to stay by
D、remain in channel 14 and do not change
更多“When it is advisable to remain on VHF channel 14 you should say（）.”相关的问题
A、When it is full. B、It is not recommended. C、Before performing preventative maintenance. D、After each call.
A、stretches too much B、is too difficult to make fast C、parts too readily D、is too susceptible to mildew
A、A.stretches too much B、B.is too difficult to make fast C、C.parts too readily D、D.is too susceptible to mildew
A、is too expensive for everyday towing usage B、binds on the cleats C、parts too readily D、strethes too much
A、When the windlass is in trouble, the sailor must go and call the electrician to repair it. B、When the derrick is in trouble, the sailor must go and call the electrician to repair it. C、When the winch is in trouble, the sailor must go and call the electrician to repair it. D、When the winch is in trouble, the sailor must go and call the carpenter to repair it.
A、When it is a DC machine B、When it is an AC machine C、Any machine that operates on over 100 volts D、Only when working on wet steel plates
A、It may advise the use of online table redefinition for tables in dictionary managed tablespace. B、It may advise the use of segment shrink for tables in dictionary managed tablespaces it the no chained rows. C、It may advise the use of online table redefinition for tables in locally managed tablespaces D、It will detect and advise about chained rows. E、It may advise the use of segment shrink for free list managed tables.
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