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单选题
A Class A EPIRB is NOT（）.
A
approved by the CCS
B
designed for float free，automatic activation
C
operated on 121.5/243 MHz
D
operated manually
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考题
单选题Each Class A EPIRB shall be stowed in a manner which will permit（）.A
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replacement of the battery without exposure to the weatherC
it to float free if the vessel sinksD
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考题
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