单词 | expulsion-fuse unit |
释义 | expulsion-fuse unit [ik`spǝl·shǝn ´fyüz ´yü·nǝt] ELECTRICITY A vented fuse unit in which the arc is extinguished by the expulsion of gases generated by the arc and lining of the fuse holder, sometimes with the aid of a spring. Also known as expulsion fuse. |
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