| 单词 | crown gate |
| 释义 | > as lemmascrown gate crown gate n. = headgate n. at head n.1 Compounds 4. ΚΠ 1868 Technologisches Wörterbuch III. 473/1 Crown-gate. 1875 E. H. Knight Amer. Mech. Dict. II. 1085/1 Head-gate (Hydraulic Engineering), (a) one of the upper pair of gates of a canal-lock. (b) a crown-gate, flood-gate, water-gate, by which water is admitted to a race, run, sluice, etc. 1915 Contractor 15 May 57/2 Also..5 10-inch and 3 8-inch sewer pipe intakes with crown gates. 2010 N. E. McTigue & J. M. Symons Water Dict. (ed. 2) Crown gate, a canal-lock head gate. < as lemmas |
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