anchor gap 火花隙; 衔铁间隙..
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To ensure operation of transmission line safely, the arcing gap of insulator was developed and installed, and arrester was installed one after another on anchor tower and high tower.
为保证线路安全运行，研制安装了保护绝缘子串的引弧间隙，并先后在锚塔和高塔上安装了避雷器。
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