The trolley bus picks up current from an overhead wire.
无轨电车的电能是通过架空线供给的。
High voltage current is usually carried by overhead wire system so as to prevent living things being electrocuted.
为了防止人畜触电，高压线一般采用高架线传送。
But when we tried to open the door there was another bang and sparks, and the overhead wire had actually fallen between the carriages.
但当我们试图开门时，又听见一声巨响，还看到火花擦出。头顶的电线断裂在两节车厢上。
Proposes a working model of OCS wire overloading in factory, which may be applied in the construction of overhead electric line instead of the working model in field.
本文提出一种接触网导线工厂化超拉的工作模型，可以作为现场超拉工作模型的替代方案，应用在接触网工程等架空输电线路的施工中。
The paper also gives the suitable distance of GJ - 50 overhead grounding wire considering the shunt factor.
文中还给出了考虑分流系数后GJ-50型架空避雷线的适用距离。
The passageway descended farther and took a hairpin turn into a pedestrian alley of uneven brick walls, overhead knots of electrical wire and drying laundry.
这条过道一路下行，经过一个急转弯，拐入了一条普通的小巷，巷子两边是不平整的砖墙，头顶上是一些纠结在一起的电线和晾晒的衣物。
Therefore, the wire in the clamping region is prone to be damaged because of aeolian vibration of overhead transmission lines.
受架空输电导线拉力的影响，导线在夹持区易出现应力集中现象，在微风振动作用下，夹持区易产生疲劳断股破坏。
The overhead OPGW, being of functions of the overhead ground wire and communication optical cable for transmission lines has demonstrated its advantages day by day.
架空地线复合光缆（OPGW ）兼输电线路架空地线和通信光缆功能于一体，正日益显示其优越性。
Research results: The basic calculation method for foundation of rock anchor rod for overhead contact wire system, (foundation) structure and its construction method are put forward.
研究结果：提出接触网支柱岩石锚杆基础计算方法，基础构造及施工做法。
Research methods:The analysis is made for the present situation of catenary of overhead contact wire system and main measures against wear of it.
研究方法：通过对接触网承力索的现状和主要防磨损措施的研究来进行分析。
Aluminium-magnesium-silicon alloy wire for overhead line conductors.
架空导线用铝镁硅合金导线。
AS wire is a kind of excellent materials for overhead line.
摘要铝包钢线是一种性能优异的架空导线用材。
AS wire is a kind of excellent materials for overhead line.
摘要铝包钢线是一种性能优异的架空导线用材。
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