短语词组短语tuning g knob 调谐旋钮TV tuning knob 电视频道调节组tuner knob tuning knob 调谐钮UHF tuning knob -UHF 超高频旋转纽Radio Frequency Outer Tuning Knob 无线电频率外环调整钮Radio Frequency Inner Tuning Knob 无线电频率内环调整钮VHF tuning knob -VHF 特高频旋转纽 返回 tuning knob