| 单词 | working door |
| 释义 | > as lemmasworking door working door n. chiefly Metallurgy a door or shutter that covers an opening giving access to a furnace. ΘΚΠ society > occupation and work > equipment > furnace or kiln > furnace > parts of furnace > [noun] > openings for metal or crucible tympa1650 working arch1824 tap-hole1825 working door1839 tapping-hole1861 slag notch1882 1839 A. Ure Dict. Arts 325 (caption) The working doors. 1877 R. W. Raymond Statistics Mines & Mining 393 The furnace has a working door at the side, and a charging door at the end. 1922 J. J. Deans Iron Puddler xv. 97 Through this working door I put in the charge of ‘pigs’ that were to be boiled. 1999 U.S. Patent 5,882,578 7/1 The hearth furnace portion has..a working door for drawing off the slag. 2011 Q. R. Skrabec Edward Drummond Libbey iii. 39 The large domed furnace had a working door for each pot of glass, known as a Bocca. < as lemmas |
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