您要查找的是不是：
- overhead line structure 线路杆塔
- Constructs, maintains and repairs overhead line systems. 建造、保养及修理架空电线系统。
- Aluminium-magnesium-silicon alloy wire for overhead line conductors. 架空导线用铝镁硅合金导线。
- 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。
- 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。
- 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。
- 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。
- 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。
- Card line structure and by using magnetic nickel-plated treatment, permeability strong, anti-corrosion resistance. 卡线结构采用磁性材料并经镀镍处理、导磁性极强，抗腐蚀性强。
- 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。
- Palm line structure features are clear and stable, and they can uniquely describe a palmprint. 掌纹的纹线结构特征明显，稳定且具有足够的辨别信息。
- 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。
- 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]
- Microwave circuits with strip line structure have a number of characteristics that distinguish them from other circuits. 微波带状线结构电路具有不同于其它电路结构的很多特点，使它们得到广泛的应用。
- The protection of pickling bath using compound lining structure is outlined. 采用复合衬里结构对酸洗槽进行防护,介绍了施工方法。
- 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。
- 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。
- Furnace lining structure of BF have incroporated refractory, masonry and furnace lining cooling and so on. 高炉炉衬结构包括本体内衬耐火材料、筑方式、衬冷却方式。
