| 单词 | rack-table |
| 释义 | > as lemmasrack-table ΘΚΠ society > occupation and work > equipment > equipment for treating ores > [noun] > for washing ore > for tin rack1839 rack-table1839 tin-frame1881 1839 A. Ure Dict. Arts 1245 The slope of the rack-table for washing the roasted tin ore is 7¾ inches in the 9 feet. 1877 H. Watts Dict. Chem. (new ed.) V. 800 The ore thus calcined, oxidised, and lixiviated, is washed once more on the rack-table, and the lighter parts removed. < as lemmas |
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