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单词 lightning arrester
释义

WordReference Random House Unabridged Dictionary of American English © 2024
lightning arrest′er, 
  1. Electricitya device for preventing damage to radio, telephonic, or other electric equipment from lightning or other high-voltage currents, using spark gaps to carry the current to the ground without passing through the device. Also called arrester. 
  • 1855–60

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