steel pylons meaning in English

输电铁塔

The helicopter lifted up the steel pylon , transported it to the site , and dropped it gently into place
直升飞机把高压电缆铁塔吊起，运至工地，然后轻轻放下使之就位。
Fire extinguishing pylon is designed with the help of lots of design institute in order to meet the fireproof requirement . it s made of fire extinguishing panel and common steel pylon or fire extinguishing dent , heat isolation layer and general steel pylon . its quality in fire extinguishments , electricity , and metal framework has over - passed the relevant standards of usa and japan etc
防火桥架是我公司为满足消防要求，在众多设计单位支持下，研制成功的耐火钢制桥架，具体结构有阻燃板加普通钢制桥架和防火槽盒加隔热层加普通钢制桥架两种，其耐火性能电气性能金属结构性能已超过美国日本等国的有关标准。