英语词汇“proof plane”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	proof plane
释义	proof plane proof plane [′prüf ‚plān] (electricity) A small metal plane supported by an insulating handle and used to transfer a small fraction of the electric charge on a body to an electrometer to investigate the charge distribution on the body.
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