词汇“copper backing”的意思、用法、释义、翻译、读音、例句、短语、词组-国际大辞典

单词	copper backing
释义	见:backing: copper backing
随便看	bias current bias curve bias cut bias cutter bias data bias distortion biased critical region biased differential protection biased diode biased estimate biased estimator biased flip-flop biased forecast biased group biased gun biased multivibrator biased relay biased result biased sample biased statistic(al) biased technological progress biased valve bias erasure loss bias error bias gear

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