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单选题
RG-6 coaxial cable is typically used in all of the following applications:()
A
multi-room audio, telephone, intercom and temperature control.
B
thermostat, CCTV, smoke detectors and keypads.
C
home theater, lighting control and multi-room audio.
D
video, digital cable, and satellite applications.
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单选题RG-6 coaxial cable is typically used in all of the following applications:()A
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