短語詞組短語open channel supply system 露天水道輸水系統(tǒng)channel signaling system 信道信令系統(tǒng);通道信令系統(tǒng)single channel optical system 單通道光學(xué)系統(tǒng)channel service system 單通道服務(wù)系統(tǒng)multiple channel radar system 多遭雷達(dá)系統(tǒng)double channel servo system 雙通道伺服系統(tǒng)css channel signaling system 通道信令系統(tǒng)single channel control system 單通道控制系統(tǒng)Telemetry channel receiving system 遙測(cè)接收信道系統(tǒng) 返回 channel system