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 modulation source外部调谐源
external interrupt control外部中断控制
external pudendal arteries阴部外动脉
external fired superheater外燃式过热器
external impressed current外接电流
external knowledge sources外部知识源
external vitreous membrane萨耳茨曼(氏)膜:玻璃体外膜
externally applied tanking外贴地下防水层