銅被覆鋼複合接地装置は、電力工学における雷保護の新しい傾向です
This paper discusses in detail the practicality of the new package composition. Using the cost performance ratio of investment, it expounds the low return on investment. Traditional grounding devices are made of galvanized steel. low cost. Large footprint. The cost of land acquisition is high. The welding process is backward. Poor stability. The service life … 続きを読む