Mining. A screen used when stamping ores.
单词 | θ212953 |
释义 | society > occupation and work > equipment > equipment for treating ores > [noun] > for separating or sorting ore by size or weight (5) grate1778 Mining. A screen used when stamping ores. percussion table1839 an apparatus for sorting ores according to weight, consisting of a slightly inclined table or frame which is vibrated and periodically allowed… classificator1856 = classifier, n. 2. Obsolete. classifier1856 A machine or device for screening or sizing mixtures of solid particles, esp. crushed ore. grating1869 The perforated plate used for separating large from small ore; also, the process of sorting ore with grates. |
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