闪光电焊机
flash welder
flash butt welding machine
陕西省电子信息产业
EII(Electronic Information Industry of Shaanxi Province
陕西省水电设计院地质队
the geological team
Shanxi Designing Institute of Water Conservancy and Electric Power
陕西省水利水电勘测设计院
Shaanxi Province Institute of Water Resources and Electric Power Investigation and Design
扇形波束无线电标杆
fan marder [= fan marker beacon