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单词 carbon brush
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carbon brush
carbon brush n.
ΚΠ
1879 U.S. Patent 220,248 1/1 The invention consists in the arrangement of carbon..in rods or threads..and secured in bundles..to form a carbon brush to take the place of carbon plates, points, or candles, now used.
1891 Manufacturer & Builder Oct. 219/2 The motor..is fitted with their new self-oiling bearings and carbon brushes.
1947 R. Lee Electronic Transformers & Circuits viii. 214 The moving tap is a carbon brush which slides over exposed turns of a winding.
1992 Pract. Householder Nov. 10/3 The carbon brushes will also need renewing every so often especially if you see excessive sparking.
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更新时间:2024/12/23 23:38:57