| 单词 | mercury arc |
| 释义 | mercury arc in British Englishnoun a. an electric discharge through ionized mercury vapour, producing a brilliant bluish-green light containing ultraviolet radiation b. (as modifier) a mercury-arc rectifier See also ignitronmercury arc in American English an electric discharge passed through ionized mercury vapor, esp. in a mercury-vaporlamp or an electron tube |
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