electric arc

基本解释

To fight off the perpetual blackness of the polar night, a windmill was installed to run electric arc lamps.
爲了擊退極地之夜的黑暗，他還裝了個風車發電運行電弧燈。
Edison was not the first person to have thought of using electricity for illumination: cumbersome electric arc-lighting had been employed in public spaces and factories for a number of years.
愛迪生不是第一個想到用電照明的人；許多年來，笨重的電弧燈就在公共區域和工廠投入使用。
An electric arc punctured the container holding the liquid helium used to keep the collider at a temperature colder than outer space for maximum efficiency.
一道電弧刺破了對撞機的液態氦容器，6噸液態氦泄漏，安全閥失霛，使損害更加嚴重。

Esmark will rely on an electric arc furnace that can quickly be switched off as demand and prices fluctuate.
FORBES: Magazine Article
So I saw the 85-ton electric arc furnace.
WHITEHOUSE: Rebuilding the Economy, Creating New Jobs
On top of their lower labour costs, the mini-mills' electric-arc furnaces are much cheaper to build than iron-ore blast furnaces.
ECONOMIST: Steel: Rust never sleeps

電弧
Temperature is one of the important physical features of electric arc.
溫度是電弧的重要物理特性之一。
物理學
電弧