| 释义 |
水银灯shuǐyíndēng一种产生强光的照明装置。把水银充入真空的硬质玻璃管或石英玻璃管内,通电后,水银蒸气放电而发出强光。多用于摄影、晒图和街道照明等。{mercury-vapour lamp; illumination device that features hard glass or quartz-glass vacuum tube filled with mercury, and, when electrified, discharges strong light through the mercury vapour, usu. used for photography, blueprint making, and street illumination;}也叫also汞灯{gǒngdēng}。 |