英语词汇“high-pressure sodium lamp”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	high-pressure sodium lamp
释义	DictionarySeesodium vapor lamp High-pressure sodium lamp High-pressure sodium lamp Among the most efficient sources of light; used primarily for exterior street lighting. The color rendition is similar to incandescent lamps. high-pressure sodium lamp A sodium-vapor lamp in which the partial pressure of the vapor during operation is about 0.1 atmosphere; produces a yellowish light having a wide spectrum, in contrast to the light produced at low pressures, which is characterized by sodium emission lines. See High-pressure sodium lamp
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High-pressure sodium lamp