| 单词 | rabble arm |
| 释义 | > as lemmasrabble arm rabble arm n. each of a number of rotating iron bars or tubes, typically bearing teeth or blades, forming part of a mechanism for stirring or raking material which is being roasted or incinerated (cf. sense 2). ΘΚΠ society > occupation and work > equipment > metalworking equipment > [noun] > stirring or puddling equipment paddle1662 rabble1778 puddler1875 rabbler1875 raddle1875 rabble arm1895 1895 E. D. Peters Mod. Copper Smelting (ed. 7) viii. 210 Pearce pursues this plan..in his turret-furnace, much of the air entering the hearth being preheated by its passage through the rabble-arms. 1930 Chehalis (Washington) Bee-Nugget 25 Apr. 19/1 The top dry hearth is provided with rabble arms revolving with the shaft, which are adjusted so as to pass the ore across the top dry hearth. 1998 Encycl. Brit. (Electronic ed.) A slowly rotating central shaft turns rabble arms on each hearth both to stir the roasting material and to push it into drop holes leading to the hearth below. < as lemmas |
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