| 单词 | mercury arc lamp |
| 释义 | Definition of mercury arc lamp in English:mercury arc lampnoun
OriginEarly 20th century; earliest use found in Transactions of the American Institute of Electrical Engineers. Definition of mercury arc lamp in US English:mercury arc lampnoun
OriginEarly 20th century; earliest use found in Transactions of the American Institute of Electrical Engineers. |
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