half-duplex的用法和樣例：
詞匯搭配
- two way half duplex circuit 雙向半雙工電路...
- half duplex operation 半雙通信,半雙工操作...
- speech plus half duplex circuit 話(huà)路加半雙工報路...
- half duplex channel 半雙向通道
- half-duplex operation 半雙向操作,半雙工運...
- half duplex 半雙工,半兩用,半雙...
- half-duplex service 半雙工服務(wù)
