| 单词 | brake-sieve |
| 释义 | > as lemmasbrake-sieve brake-sieve n. Mining a rectangular sieve worked by a lever or brake. ΘΚΠ society > occupation and work > equipment > equipment for treating ores > [noun] > for dressing ore trunk1653 griddle1778 jigger1778 jigging-sieve1778 ore-dresser1811 jig1849 joggling-table1849 brake-sieve1881 jigging-machine1884 grid- 1881 Trans. Amer. Inst. Mining Engineers 1880–1 9 111 Brake-sieve, a jigger, operated by a hand-lever. < as lemmas |
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