| 单词 | millstone balance |
| 释义 | > as lemmasmillstone balance millstone balance n. a weight placed to balance a millstone to ensure even grinding. ΚΠ 1859 Sci. Amer. 13 Aug. 101/2 This millstone balance..allows a stone to be balanced both as regards its gravity or weight, and the centrifugal force generated by its rotation. a1877 E. H. Knight Pract. Dict. Mech. II. 1443/1 Millstone-balance, a weight so placed as to balance other inequalities of weight in a stone, so that it may run true. < as lemmas |
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