单词 | pull-cock |
释义 | > as lemmaspull-cock ΚΠ 1860 Sci. Amer. 16 June 396/3 George Leach, of New York City, for an improvement in pull cocks. a1877 E. H. Knight Pract. Dict. Mech. II. 1818/2 Pull-cock, a faucet whose spigot or movable member is vertical while the passage is closed, and is pulled over to a horizontal position to discharge. It rotates 90° in a vertical plane, while the ordinary spigot moves in a horizontal plane. < as lemmas |
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