One 22 position detented rotary control precision input attenuator per channel.
One 22 position detented rotary control precision input attenuator per channel.
其中22位拘禁旋转控制精度衰减每投入渠道.
One 22 position detented rotary control precision input attenuator per channel.
其中22位拘禁旋转控制精度衰减每投入渠道.