universal key通用键,万能键universaladj.普遍的；全世界的；宇宙的；全体的；通用的n.通用原理，普遍原则universal instantiation通用示例universal testing cabin通用测试方舱universal access number通用呼叫号码universal potentiomerer通用电位计universal setting gauge万能调准仪表universal socket wrench万能套筒扳手Universal Plug and Play普遍即插即用；全面即插即用universal impulse model通用脉冲模型universal decontaminant通用消毒剂universal control chart通用控制图