external ram外置式油缸
externaladj.外来的;外部的;外面的;表面的n.外观;外部;外界事物
external protective tissue表面防护薄纸
externally-pulsed system外同步脉冲装置
external selection storage字选存储器
external wall tile bonding外墙面砖粘结
external conductive casing导电外壳
external prestressed cable预应力体外索