A、distress alert
B、urgency message
C、safety message
D、routine message
更多“A(n)（）indicates that there is serious danger for vessel, crew and passenger.”相关的问题
A、sharp turn in the channel B、narrowing in the channel at that point C、junction in the channel D、obstruction that must be left to port
A、The bottom samples and fathometer reading prove the loran fix is reliable B、The bottom samples and fathometer readings indicate that the loran fix is unreliable C、The information collected indicates that the fathometer may be in error D、The information collected indicates that the chart is most likely in error
A、FREE_SPACE indicates only the space that is currently unallocated. B、ALLOCATED_SPACE indicates only the space currently allocated and in use. C、FREE_SPACE indicates only the space that is currently allocated and available for reuse. D、ALLOCATED_SPACE indicates both the space currently allocated and used, and the space that is available for reuse. E、FREE_SPACE indicates both the space that is currently allocated and available for reuse, and the space that is currently unallocated.
A、FREE_SPACE indicates only the space that is currently unallocated. B、ALLOCATED_SPACE indicates only the space currently allocated and in use. C、FREE_SPACE indicates only the space that is currently allocated and available for reuse. D、ALLOCATED_SPACE indicates both the space currently allocated and used, and the space that is available for reuse. E、FREE_SPACE indicates both the space that is currently allocated and available for reuse, and the space that is currently unallocated.
A、A.weather vane，wind vane or wind sock B、B.hydrometer C、C.hygrometer D、D.sling psychrometer
A、A.distress alert B、B.urgency message C、C.safety message D、D.routine message
A、explosimeter B、oxygen indicator C、fresh air indicator D、all of the above
A、A.transmitter B、B.antenna system C、C.indicator D、D.modulator
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