结合具体工程项目，重点分析如何依据经济条件，采用偿还年限回收方法对配电电缆截面进行经济性选择，以便选出理想截面。
Distribution power cable section is choosed economically by means of refund fixed number of year reclaim based on concrete project in order to choose perfect cable section.
穿着增压服的航天员正在为火箭装配电缆，这些火箭是这座可供居住的空间站上的建筑单元。
Crewmen wearing pressurized suits assemble cables to rockets, which serve as building units for an inhabitable space station.
电源线和电缆工人建造，维护和修复架空线和地下电力传输和配电系统。
Electrical power line and cable workers construct, maintain and repair overhead and underground electrical power transmission and distribution systems.
检查，监测，测试和调整电缆的输电和配电系统。
Inspect, monitor, test and adjust cable transmission and distribution systems.
修理或更换故障电缆，电源供应器，放大器和其他相关的传输和配电设备。
Repair or replace faulty cables, power supplies, amplifiers and other associated transmission and distribution equipment.
安装，拆卸，维护和修理地上和地下的电话和其他电信传输和配电线路，电缆和相关的硬件。
Install, remove, maintain and repair aerial and underground telephone and other telecommunication transmission and distribution lines, cables and associated hardware.
硬件是数字标牌中更明显、可见且易于理解的组成部分，它包括显示器、底座、托架、媒体播放器、电缆、连接器和配电放大器。
Hardware is a more obvious, visible and easily understood element of digital signage, including displays, mounts, stands, media players, cables, connectors and distribution amplifiers.
电力电缆日益广泛地应用于输配电系统，为了减少电缆故障停电损失，对电缆故障测距的精度要求越来越高。
With more power cable application in transmission and distribution systems, the higher demand of cable fault location accuracy is necessary for reduction of the power cut loss.
导线和电缆的选择是供配电系统设计中的主要内容之一。
The wire and electric cable's choice is one of for in electrical power distribution system design primary coverages.
这种材料应用于电缆、发电、居民和工业配电等领域。
The material is used for cabling, power generation, and local and industrial electricity distribution.
该文提出利用线路故障产生的暂态行波实现配电架空线、电缆混合线路单相接地及相间短路故障测距，分析了故障初始行波模分量的暂态特征。
Using transient traveling waves generated by fault to locate single-phase earth fault or short circuit fault in distribution feeders mixed with overhead lines and cables is proposed.
根据进出电缆电线的方向及桥架的规格，在配电箱的顶部或底部开孔。 配电箱的所有开孔处须用。
Open poles at the top or bottom of the distribution box according to the cable or wire direction and the cable tray specification.
使用单一控制电缆配电与可编程的系统元件可以实现照明控制的智能化。
By using of single control cable mated with programmable units, the intelligent lighting control may be realized.
适用于户内配电装置中电气设备与各种电线电缆的过渡连接，采用锻铸铜制造，表面镀镍。
It is suitable for transitional connection of electric apparatus with wire and cable in indoor distribuition equipment made of brass ty die cast and coates nickle.
所有进现场的配电箱、配电线、电缆、用电设备，必须预先经过检验、测设，合格后方可使用。不得采用残缺、破损等不合格产品。
All approach distribution, wire, cable and electricity supply equipment should pass the inspection and test. It should not allow use the sub-quality products.
随着配电网改造的深入，许多架空出线已逐步改造为电缆出线。
With the deepening of distribution network transformation, many overhead outlets have been converted into cable outlets gradually.
随着配电网的不断扩大以及使用电缆线路的增多，电网对地电容电流越来越大。
With distribution network extending and increasing of apply more cable, the system capacitance current is increasing.
对目前城市配电网中常见的架空线路网络结构和电缆线路网络结构进行了较为全面的分析。
It analyzed the structure of overhead network and cable line which are common in the city's distribution network.
适用于户内配电装置中电气设备和各种电线电缆的过渡连接，采用T2紫铜板制造，表面镀镍。
It is suitable for transition connection of the electric appliance of indoors distributing device and kinds of wire cables. It adopts T2 red copper, the surface adopt nickle plating.
公司主要产品有：低压配电柜、电缆桥架、母线槽、地面金属线槽、工矿灯具等。
Our main products are: low-voltage distribution cabinets, cable tray, bus duct, the ground metal trough, mining lamps and so on.
本实用新型涉及一种用于大型建筑物中配电设备的分支电缆吊头结构。
The utility model relates to a branching cable head suspending structure used for the electric distribution equipment in the large-type architecture. The structure is provided with a support ring.
随着配电网中采用的电缆线路的增多，弧光接地过电压问题日益突出。
With the increase of used cable lines, the problem of arc grounding overvoltage is more prominent.
高压电力电缆是输配电网络中的基础设备之一。
The high voltage power cable is a basic equipment in the electricity transmitting.
在我国，针对高电压等级的电缆绝缘检测技术受到了普遍的重视，但是针对低压配电网的电线电缆绝缘检测技术的研究却进展不大。
This thesis focuses on the research and development of the insulation resistor measuring for low-voltage wire and cable. The first part of the thesis has a review-like character.
随着城市配网供电电缆化和城市景观要求，电缆通道资源对配电网线路走向有着直接影响。
Under the cabling of urban network and demanding of city landscape, the resources of cable trench have a direct impact on the routes of network.
它较传统的电缆输配电方式有突出的优越性，因而得到了广泛的应用。
It has some prominent advantages in comparison with traditional cable. Thus it is widely used.
用途：一般机械控制箱、配电盘、机器、电器等电缆固定用。
Application:used for machinery control box, distribution plate, machine and electrical, etc.
一种动力分配线或动力分配电缆。
一种动力分配线或动力分配电缆。
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