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- Some measures to prevent thunderstorm damage are introduced such as adding line lightning arrester,reducing ground resistance of poles and towers,lightning protection for standby . 通过对发生的电网事故的分析,介绍了一些防止雷害的措施:加装线路避雷器,降低杆塔接地电阻,热备用断路器防雷等方面的内容。
- poles and towers of transmission line 线路杆塔
- power transmission poles and towers 输电杆塔
- the stability of permafrost foundation of poles and towers 冻土塔基稳定性
- The boatman took up the pole and shoved the boat off. 船夫拿起了篙子，把船撑离了岸。
- Application of SZJ Earthing Device to Grounding System of Transmission Line Poles and Towers SZJ型接地装置在输电线路杆塔接地系统中的应用
- Discussion on Measuring Method for Power- frequency Ground Resistance of Transmission Line Poles and Towers 线路杆塔工频接地电阻测量方法的探讨
- Link them with four short metals poles and. 用四根短金属杆把它们连起来。
- He let go of the pole and let it fall . 他松开那根柱子，让它倒下了。
- He let go of the pole and let it fall. 他松开那根柱子,让它倒下了。
- The South Pole and the North Pole areantipodes. 南极和北极是对跖地域。
- He took up the pole and shoved the boat off. 他拿起篙子，把船撑离了岸。
- The earth's poles are called the North Pole and the South Pole. 地球的极点称作北极和南极。
- Then he replaced the pole and walked away. 说完，他把旗杆插回原处，然后走开了。
- It formed the pole and axis of this heathery world. 而两人只要不分手，就是在交流思想感情。
- The North Pole and the South Pole are antipodes. 南极和北极是一对对跖地。
- poles and towers 杆塔
- It is a specialized enterprise which produces moving-communication tower, microwave communication tower, broadcast and television tower, and towers for the ultrahigh-tension power transmission lines. 是生产移动通讯塔、微波通讯塔、广播电视塔、高压输电线路铁塔的专业公司。
- Five-story tower, about 25 meters east to open the door, at all levels have carved eaves brackets and towers, each of the 18 Campanula Kok, the wind will be issued by the sound crisp. 塔高五层，约25米，东面开门，各层雕有斗拱和塔檐，每层各角有风铃18个，随风会发出清脆的响声。
- Variety of terminal arrangements,poles and coil voltages. 具有多项端子排列，极点与线圈电压。
