half-duplex service半: half双工: duplex operation; duplex; du ...服务: give service to; be in the s ...全双工服务: full duplex service; full-duplex service半双工: half-duplex operation; hd half duplex; semiduplex下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:半双工服务，即可在微信中查询翻译
