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单选题
A Class S EPIRB is a（）.
A
submarine EPIRB
B
safety EPIRB
C
ship EPIRB
D
survival craft EPIRB
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单选题Each Class A EPIRB shall be stowed in a manner which will permit（）.A
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考题
单选题Which step should be taken，if possible，when the vessel must be abandoned because of a distress situation（）.A
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