| 单词 | mitre-gate |
| 释义 | > as lemmasmitre-gate mitre-gate n. a lock-gate consisting of two leaves which when closed form an angle pointing upstream, so that the pressure of the water pushes them together. ΚΠ 1913 J. B. Bishop Panama Gateway v. v. 377 The mitre-gates are never opened or closed with a head of water on either side of them. 1985 B. Marsh Inland Navigator ii. 44 At the bottom end of the lock..the..‘mitre-gates’..have a combined width greater than that of the lock chamber and thus, when closed, wedge together forming a shallow ‘V’ on plan. < as lemmas |
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