英语词汇“perpetual bellows”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

单词	perpetual bellows
释义	> as lemmas perpetual bellows † perpetual bellows n. Obsolete bellows capable of giving a continuous blast of air rather than intermittent blasts. ΚΠ 1758 A. Reid tr. P. J. Macquer Elements Theory & Pract. Chym. I. 362 Excite the fire violently with a pair, or more, of perpetual bellows till the Iron melt. 1850 Descriptive & Hist. Acct. Hydraul. & Other Machines (ed. 4) v. 488 A device of this kind might be made to act in windy weather as a perpetual bellows to blast or refining furnaces. extracted from perpetualadj.adv.n. < as lemmas
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> as lemmas