机: machine; engine箱: chest; box; case; trunk数据: data; record; information路: road; way; path操作: operate; manipulate; handle机箱数据路: dataway数据路操作: dataway operation数据路: dataway operation数据路径: data route; data routing闭路操作: closed-circuit operation电路操作: circuit operation多路操作: multiplexed operation分路操作: shunt operation气路操作阀: control valve of air passage通路操作: closed circuit operation数据路径选择: data routing本地回路操作: home loop operation断开电路操作: open circuit operation网路操作中心: network operation center线路操作规程: lo line operating procedure箱数: no. of cartons分配词数据路径: dddistributive data path图形化数据路由: graphical data routing单路操作 单向工作: one-wayonlyoperation电子邮箱数据输入: mailbox data entry