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.

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	shell molding shell money shell-money shell money out shell mound shellmound shell mounds she'll murder shell nail shell nigeria exploration and production company shell nuclear model shell of a boiler shell oil co. shell oil company shell oil products us shell ornament shell out shell outage vastus intermedius muscle vastus lateralis vastus lateralis (muscle) vastus lateralis muscle vastus lateralis oblique vastus medialis vastus medialis longus