英语词汇“poulsen arc”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	poulsen arc
释义	poul·sen arc \ˈpau̇lzən-, -lsən-\ noun Usage: usually capitalized P Etymology: after Valdemar Poulsen died 1942 Dan. electrical engineer physics : a direct-current arc formerly used for producing undamped high-frequency oscillations
随便看	curtain curtain curtain board curtain call curtainfall curtaining curtain lecture curtainless curtain lifter curtain line curtain raiser curtains curtain shutter curtain speech curtain stretcher curtain wall curtal curtal curtal ax curtal sonnet curtate curtate curtate distance curted curter

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