循序封包交换协定 sequenced packet exchange: 顺序包交换; 顺序数据包交换; 有序包交换spx sequenced packet exchange: 顺序包交换协议sequenced-packet socket: 有序包套接口packet protocol: 包协议; 分封协定packet exchange: 信息交换下载手机词典可随时随地查词查翻译