单词 | nickel electrotype |
释义 | > as lemmasnickel electrotype ΚΠ 1873 E. Spon Workshop Receipts 1st Ser. 220/1 Nickel electrotypes stand the wear and tear..better than the ordinary copper ones. 1881 Science 10 Sept. 604/2 The Revue Industrielle says that the difficulties have now been successfully overcome, as the nickel electrotypes shown at the recent Paris Electrical Exhibition prove. < as lemmas |
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