| 单词 | cold-blast furnace |
| 释义 | > as lemmascold-blast furnace A blast of cold air forced into a furnace. Also attributive, and short for cold-blast furnace, cold-blast process, etc. ΘΚΠ the world > matter > gas > air > moving air > [noun] > a movement of air > a blast or puff of air > artificially produced > strong, as used in smelting, etc. blast1697 cold blast1835 1835 Mechanics' Mag. 23 341 (heading) Coal employed in the crude state in the Welsh Iron Works. Cold Blast. 1837 Mechanics' Mag. 28 Jan. 316/2 The holders of metal manufactured by the cold-blast, now regularly demand 20s per ton extra for it. 1873 A. Ure Dict. Arts II. 956 The superior power of a hot over a cold blast in fusing refractory lumps of cast iron was accidentally observed by Mr. J. B. Neilson..about the year 1827. 1873 A. Ure Dict. Arts II. 963 The density of cold-blast iron is less than that of hot. < as lemmas |
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