ring main

noun

1. （电路的）环形干线
   an arrangement of cables that allows electricity to be supplied to a series of places from either of two directions
2. （电路的）环形干线
   an arrangement of cables that allows electricity to be supplied to a series of places from either of two directions
3. （管路的）环形主线
   an arrangement of connected pipes that allows water, steam, etc. to enter and leave a system

1. With the drive of synchrotron ring magnets as the main target, a new scheme is proposed for producting pulsed large currents with flat top and bottom in a large inductance loading.
   以同步加速器环磁铁的激励为主要对象，提出了在大电感负载中产生平顶平底脉冲大电流的一个新的方案。
2. Screw lock ring heat exchangers as main equipments are used in hydrogenation cracking plant which have many shortcomings.
   传统的加氢裂化装置主要换热器采用的是螺纹锁紧环式换热器，存在许多缺点。
3. Flywheel with ring gear main drive gear bearing oil slinger
   有环形内齿轮的飞轮主动齿轮轴承抛油环
4. The MP3 player is based on the two ring consists of a large external MP3 ring is the main part of the surface, there is a built-in LCD screen, you can change color.
   该款MP3播放器采用的是两个圆环构成，外部的大园环是MP3的主体部分，表面有一个嵌入式液晶显示屏，可以改变颜色。
5. What she saw was two women in the ring before Tyson's main event began.
   在泰森的比赛开始前，拳击台上有两名女子在搏击。
6. Ring main system with fixed pump
   装有固定水泵的环形水管系统
7. Performance Analysis of Ring-Main Supply and Ring-Main Switchgear Cabinet
   环网供电及环网柜性能分析
8. The advantage of optical transmission system is to form networks. Self-healing ring is the main topology architecture.
   光传输网络的突出优势就是组网，自愈环是其主要拓扑结构，网络具有自愈保护功能。
9. Effect of Ceramic Metal Lubricant Additives on Tribological Behavior of Cylinder Liner/ Piston Ring of Main Marine Diesel Engine
   金属陶瓷添加剂对船舶主机汽缸套活塞环摩擦学行为的影响
10. The commutative problem of arbitrary PI ring is the main research contents of the commutative theory.
    任意PI-环的交换性问题是环的交换性理论的一个主要内容。
11. Analysis to fault of piston ring of marine main engine
    船舶主机活塞环故障分析
12. At first, the thesis introduces the framework and actuality in power distribution automation, and the function of Ring Main Unit for distribution network system.
    论文首先介绍了配电自动化的体系结构和发展现状，阐明了环网开关柜在配电网中的作用。
13. In the process of design and calculation of water ring pump, main difficulty is how to determine the corresponding value of compression ratio σ for each rotation angle α.
    在水环泵的设计计算过程中，主要困难是如何确定每一转角α所对应的压缩比σ值。
14. In this paper, we studied the breakdown characterists of P+ N diode with field ring and field plate experimentally and presented the curve revealing relationship among optimal spacing between field ring and main junction, substrate density and junction depths.
    本文从实验的角度研究了具有场板和场限制环的P+N二极管的击穿特性，给出了场环至主结的最佳间距与衬底浓度和结深的关系曲线。
15. Research and Development of An Electromechanics Intelligent Type of Ring Main Cubicle
    一体化智能环网柜系统的研制
16. The design calculation of ring debarkers 'main parameters is introduced. The various factors which affect the barking quality and productivity are analyzed.
    本文论述了我国常用的环式剥皮机主要参数的设计计算，并对影响木材剥皮质量和生产率的各种因素，以及环式剥皮机在生产中使用的经济效益等进行了分析。
17. Application of switch-fuse combination to 12 kV ring main units
    负荷开关-熔断器组合方式在12kV环网柜中的应用
18. Discussion on Application of ring main in urban distribution system
    论环网柜在城市电网中的应用
19. Application of 10 kV Outdoor Ring Main Unit in Cable Transmission Line Renovation
    10kV户外箱式环网柜在电缆线路改造中的应用
20. A device integrated with control, measurement and protection functions based on two DSPs for ring main unit
    一种基于双DSP的环网柜测控保护终端
21. The control system was constructed to control the storage ring's main magnet power supply and superconducting Wiggler power supply.
    该系统已用于控制储存环主磁铁电源和超导Wiggler电源。
22. A novel fault judgment matrix, with the information from each Ring Main Unit, can judge the fault area on distribution network quickly, so the system can isolate the fault area and restructure the distribution network;
    通过对新型故障判断矩阵的分析和应用，配合环网终端设备的互联通信，实现配电网的快速故障定位、隔离和配电网重构；
23. Alignment and survey of magnets for cooler-storage-ring main ring
    冷却储存环主环磁铁的准直测量
24. Technical discussions on the function and the selection of switch-fuse combination used in 12 kV ring main units are given in the paper.
    就12kV环网系统中负荷开关-熔断器保护的主要作用机理和选用问题进行了分析探讨。
25. The Development of Ring Network Power Supply and Ring Main Unit Abroad
    国外环网供电及环网柜的发展趋势
26. To supply power through hand-in-hand cable ring will become more common in urban power network. The design and its implementation of an intelligent RMU ( Ring Main Unit) with the functions of control, measuring and protection are presented.
    电缆环网供电将成为城市电网发展的方向，提出了一种全新的智能型环网柜测控保护终端RMU（RingMainUnit）的设计思想和技术实现方案。
27. The CIM models of switching station, and ring main unit are built based on the original switch model in CIM with the addition of some new attribute and roles, and use UML techniques described.
    在继承CIM原有类的基础上，添加相应的属性和作用建立了开闭所，环网柜，重合器模型，并用面向对象建模技术UML加以描述。
28. In order to ensure the stability of power system operation, the requirement for the safety and reliability of ring main unit is continuously rising, so strict delivery test should be done by the manufacturers.
    为保证电力系统运行的稳定性，对环网柜安全可靠性的要求也会越来越高，因此需要生产厂家对其进行严格的出厂检测。
29. The mechanical characteristics of "ring type" main tower are discussed based on the software ANSYS and the concrete stresses in sensitive regions are analyzed locally under the most unfavorable load.
    采用ANSYS软件对该桥戒指型主塔的结构受力特性以及在最不利荷载作用下主塔应力敏感部位进行局部分析。
30. With the improvement of intelligent level of the electrical power system, ring main unit has been widely used in power distribution system.
    随着电力系统智能化程度的提高，环网柜在配电系统中得到了广泛的应用。