英语词汇“lamp ballast”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	lamp ballast
释义	DictionarySeeballast lamp ballast ballast 1. Coarse stone, gravel, slag, etc., used as an underlayer for poured concrete. 2. A device used to provide the required starting voltage and operating current for fluorescent, mercury, or other electric-discharge lamps. 3. Class P: A ballast for a fluorescent lamp which meets the requirements of the Underwriters’ Laboratories, Inc.; includes an automatic resetting thermal protector to remove the ballast from the circuit if its temperature exceeds a specified value. 4. Same as constant-wattage ballast. FinancialSeeBallast
随便看	capital outflows capital outlay capital outlay full time equivalency capital outlays capital outlay support capital-output ratio capital planning capital planning & investment control capital (politics) capital pool company capital preservation capital preservation fund capital printing company capital productivity capital profit capital profits capital program management capital program oversight committee capital program priority advisory committee capital project delivery capital project management, inc. capital project management oversight capital project request capital projects capital projects advisory review board

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。