| 单词 | air furnace |
| 释义 | > as lemmasair furnace air furnace n. Metallurgy a furnace through which a natural current of air carries the flame from the burning fuel at one end, over the charge, and out at the other end. ΚΠ 1718 Inventory in A. Raistrick Dynasty of Iron Founders (1953) 280 Between upper air furnace & forge. 1 Loom for a bosh. 1777 G. Washington Let. 16 Jan. in Papers (1998) Revolutionary War Ser. VIII. 81 An Air Furnace to be constructed..to hold three thousand Weight of Flux'd Metal. 1873 London, Edinb., & Dublin Philos. Mag. 4th Ser. 45 455 As..the heating of the crucible was effected in an air-furnace,..it was conceived that some of the sesquioxide of iron might have been reduced to protoxide. 2000 R. B. Gordon Landscape Transformed v. 50 These, with the addition of an air furnace to melt more iron, would suffice for casting the largest cannon wanted by the army. < as lemmas |
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