ring main
英 [ˈrɪŋ meɪn]
美 [ˈrɪŋ meɪn]
n. (电路的)环形干线; (管路的)环形主线
牛津词典
noun
- （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 - （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 - （管路的）环形主线
an arrangement of connected pipes that allows water, steam, etc. to enter and leave a system
双语例句
- 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。 - 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。 - 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。 - 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。 - 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。 - 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 - 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。 - 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 - 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 - Analysis to fault of piston ring of marine main engine
船舶主机活塞环故障分析