通风复合消声器
impedance compound muffler
通风换热器
ventilation heat exchanger
通道选择器
channel selector
channel-to-channel adapter
通道图像加强器
channel image intensifier
通道通道选择器
channel to channel adapter
通道通道适配器通道通道选择器
channel to channel adapter
通道数字信号处理器
digital signal processor for channel