试题详情
- 单项选择题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.
- D
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