单选题The portable radio apparatus means（）.Athe radio apparatus fitted on the portsideBthe radio with a portable equipmentCthe radio equipment which is easily movableDthe portable radio with some apparatus
单选题
The portable radio apparatus means（）.
A
the radio apparatus fitted on the portside
B
the radio with a portable equipment
C
the radio equipment which is easily movable
D
the portable radio with some apparatus
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