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	internally transportable vehicle internally wired bar internal macedonian adrianople revolutionary organisation internal macedonian revolutionary organization internal macedonian revolutionary organization - democratic party of macedonian national unity internal machine program instruction internal male genital organs internal malleolus internal mammary internal mammary and medial supraclavicular lymph node internal mammary artery internal mammary artery bypass internal mammary artery implant internal mammary branch internal mammary chain internal mammary plexus internal mammary sentinel node internal mammary vein internal mammary veins internal management control internal management control program internal management control review internal management document internal management policy and procedure internal market

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