| 单词 | parallel lathe |
| 释义 | > as lemmasparallel lathe parallel lathe n. now rare a small lathe used by jewellers, dentists, etc., consisting of a spindle bearing several grinding wheels of different sizes, as well as a brush, drill, etc., which all operate simultaneously. ΚΠ 1870 Rep. U.S. Commissioners Paris Universal Expos. 1867 179 Machine tools for working metal, such as simple lathes, mechanical lathes, parallel lathes, spherical lathes, [etc.]. 2002 Foundry Trade Jrnl. (Nexis) 1 Feb. 19 Every exported vehicle, machanical [sic] or electric equipment includes a percentage of foundry parts (15% of weight in a car, 50% in a tractor, 75% in a parallel lathe). < as lemmas |
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