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- practical electrical units 实用电单位
- practical electrical unit 实用电单位
- Examined electrical units for loose connections and broken insulation and tightens connections, using hand tools. 用手动工具将松的接头及坏的绝缘处检查电的装设，然后系紧接头。
- practical system of electrical units [电] 电气单元的实用系统
- Its action is transmit electric energy and allocate each to use electric unit. 它的作用是将电能转送和分配给各用电单位。
- Introduction to SI electrical units, including the relationship between mechanical and electrical units, underling foundations and concepts, and quantum representations of the SI units. 介绍电学的国际单位,包括力学和电学单位的关系，基本定义和概念，以及国际单位的量化表达式。
- The first practical electric incandescent lamps were independently produced in the late 1870s by Joseph Swan and Thomas Alva Edison. 斯旺和爱迪生两人分别在19世纪70年代末独立制成第一个白炽灯。
- This article mainly describes the cutting principle on mechanism,electrical unit and control for HERR-VOSS eccentric flying shears as well as its mechanical and electrical structural features. 主要介绍了HERR-VOSS偏心式飞剪的机械、电气及控制的剪切原理,以及其在机械、电气方面的结构特点。
- Applicated for the tie of food, toy, Middle and high mcticutous electric unit internal wiring. 常用于食品、玩具、较高档精密电器引线之捆扎。
- absolute system of electrical units 绝对电单位制
- Practical electrical network automation and communication systems 电力系统自动化与通信系统实践
- absolute determination of electrical units 电单位的绝对测定
- It has come within the range of practical politics. 这就属于可实施性政治的范围了。
- International System of Electrical Units 国际电气单位制,国际电工单位制
- Uses: Apply to DC and pulse circuits of videorecorders, TV sets, mobile communication equipments, electric unit used for auto, electric-light sources and all kinds of instruments. 用途：适用于录像机、电视机、移动通讯设备、汽车电器、电光源设备和各种仪器、仪表的直流及脉动电路。
- Practical experience belies this theory. 实际经验证明这个理论是错误的。
- Be he a civil engineer or an electrical engineer? 他是土木工程师还是电气工程师？
- Your invention is not practical. 你的发明不实用。
- Development of Electrical Unit for Winder 切边卷绕机电气控制装置的研制
- Design of a practical electric bicycle controller 实用电动自行车控制器的设计
