| 单词 | induced draught |
| 释义 | > as lemmasinduced draught induced draught n. a draught towards a fan or other device that draws air through a furnace, up a chimney, etc. ΘΚΠ the world > matter > gas > air > moving air > [noun] > a movement of air > a current of air > inward or outward current > towards device for drawing in air induced draught1887 1887 W. A. Martin in Trans. Soc. Engin. 1886 117 In comparing the three systems, of ordinary draught, forced draught, and the author's induced draught,..it is necessary to say [etc.]. 1894 Westm. Gaz. 29 Dec. 3/2 The other improvement is that of induced—instead of forced—draught. 1971 Sci. Amer. May 73/3 In a forced-draft [cooling] tower the fan is at the bottom and pushes the air up through the tower; in an induced-draft tower the fan is at the top and pulls the air up. < as lemmas |
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