英语词汇“contact arm”的意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-ABC网

单词	contact arm
释义	contact arm 汉语翻译【电】接触臂英语解释：名词 contact arm: contact consisting of a conducting arm that rotates over a series of fixed contacts and comes to rest on an outlet 同义词：wiper, wiper arm
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contact arm