ci connection identifiercid connection identifierconnection identifier连接: connect; fit together; link; ...对话连接标识符: session connection identifier协议连接标识符: protocol connection identifier虚拟连接标识符: vci virtual connection identifier数据链路连接标识符: data link connection identifier dlci; dlci data link connection identifier下载手机词典可随时随地查词查翻译