单词	中塞
释义	中塞医median plug
随便看	data link escape character data link escape characterdle data link frame format data link information system data link integration application data link intercept steering data link interface Data Link Interface Unit Datalink layer data link layer Data link layer data-link layer Data Link Layer Management Entity data link layer primitives data link layer protocol data link layer protocols datalink layer topology measurement data link level data-link level data link level control procedure data link level protocol data link library data link mapping data link modem data link multiplexer