英语词汇“hum bar”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	hum bar
释义	hum bar hum bar [′həm ‚bär] (electronics) A dark horizontal band extending across a television picture due to excessive hum in the video signal applied to the input of the picture tube.
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