英语词汇“ward leonard system”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	ward leonard system
释义	ward leon·ard system \ˈwȯrdˈlenərd-\ noun Usage: usually capitalized W&L Etymology: after Harry Ward Leonard died 1915 American electrical engineer & inventor : a regenerative electrical system by which variations in motor speeds for all loads carried by a motor are obtained without rheostatic losses in the main circuit
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