“three-column disconnector”的概念、定义、翻译、参考文献-科学参考

单词	three-column disconnector
释义	three-column disconnector Encyclopedia 工学隔离开关释 three-column disconnector三柱式隔离开关由三个垂直布置的绝缘支柱及其他部件组成，断口方向与底座平面平行，使回路在两处断开的隔离开关。
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