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- Constructs, maintains and repairs overhead line systems. 建造、保养及修理架空电线系统。
- overhead line structure 线路杆塔
- Aluminium-magnesium-silicon alloy wire for overhead line conductors. 架空导线用铝镁硅合金导线。
- And it is certified that the device is very useful to prevent insulated overhead line breakage and insulator damage from lightning overvoltage faults. 作为配电线路中的架空绝缘电缆的过电压保护装置，可有效地防止雷害造成的断线、绝缘子损坏等事故，避免因断路器动作中断供电而影响供电可靠性。
- The structures of two types of zero-sequence OCTs (ZOCT), i.e. hybrid ZOCT and whole-fiber ZOCT, suitable for cables and overhead lines respectively, are presented. 给出2种形式的零序光学电流传感器(ZOCT)结构，即组合型ZOCT与全光纤型ZOCT，分别适用于电缆线路和架空线路。
- Track-laying and energisation of overhead lines were substantially complete. 路轨铺设工程及架空电缆通电工程已大致完成。
- At 345 kV a figure of ten times the cost of an equivalent overhead line is quoted for average suburban areas in the U. S. A., this ratio decreasing with lower voltages. 在美国一般市郊地区,引证的数据表明345kv的地下输电的等值成本为架空线路成本的10倍。电压低,此倍数可降低。
- Uses this product to be allowed to enhance the line the anti-radar level, the nature clean effect is good, Reduce accident rates, guarantee overhead line safe operation. 使用此产品可以提高线路的防雷水平,自然清洁效果好,降低事故率,保证架空线路安全运行。
- Familiar with the convey line structure and technical equipment. 熟悉总装车间的输送线结构和工艺设备。
- Conversation by overhead line, 900 miles-New York to Chicago. First commercial Strowger installation; LaPorte, Indiana, USA. Used switcher with 100 line disc-type banks. 全长900英里，从纽约到芝加哥的架空电话线开通。第一个商业化的史端乔系统在美国印第安纳州拉波特安装。使用的交换机带有100个线路排线架。
- To meet the requirements of large-scale of oil refining equipments and rigorousness of technical conditions, vacuum transfer line structures tend to become more and more complex. 随着炼油装置的大型化和工艺条件要求的提高,转油线结构趋于复杂。
- Luo Junhua,Nie Dingzhen,Zhang Jinxiu,et al.Overvoltage protection technology of insulated overhead line up to 35 kV[J].High Voltage Engineering,2000,26 (3):40-41. [2]罗俊华;聂定珍;张锦秀;等.;35 kV及以下架空绝缘电缆过电压保护技术[J]
- Note: Certain overhead lines may also be constructed with insulated conductors. 注：某些架空线路也可由绝缘导线构成。
- On the southeast margin of the massif, the southern Tancheng-Lujiang fault and the Guangi-Susong ductile shear zone, which were inferred as "hot line structures", provided the pathways... 本区岩石以绿片岩-角闪岩相变质岩为主，含金背景值高，逆冲滑脱构造和韧性剪切带的活动与金元素的活化、迁移和富集创造了良好的条件。
- Wood poles for overhead lines - Sizes - Methods for measurement and permissible deviations. 架空线用木杆。尺寸。测量方法和允许偏差。
- Under the explosive load,shotcrete and rock bolt support and integral lining structures are usually used for chambers in rock mass. 在爆炸荷载作用下,岩体洞室通常采用喷锚支护结构和整体被复结构。
- Rights-of-way of overhead lines in metropolitan areas are very expensive or are prohibited entirely. 在大都市地区,架空线路走廊是非常昂贵的,或根本就受到禁止。
- The construction of 220 kV overhead lines to major cities along the city park substation. 220千伏架空线路建设沿大城市公园至大城市变电所。
- Haematoma is formed, shift of central line structure is apparent person, prognosis is poorer. 有血肿形成，中线结构移位明显者，预后较差。
- Overhead lines have more outages than underground cable per unit length, but the outages are usually shorter in duration. 架空线路单位长度的停电数要比地下电缆的多,但停电持续时间短。
