单词 | high-pressure mercury-vapor lamp |
释义 | high-pressure mercury-vapor lamp [`hī ¦presh·ǝr `mǝr·kyǝ·rē ¦vā·pǝr `lamp] ELECTRONICS A discharge tube containing an inert gas and a small quantity of liquid mercury; the initial glow discharge through the gas heats and vaporizes the mercury, after which the discharge through mercury vapor produces an intensely brilliant light. |
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