| 单词 | pit top |
| 释义 | > as lemmaspit top pit top n. ΚΠ 1838 Times 3 Nov. 6/3 A good current of air was forced through the workings by means of a water-fall and a barricading at the pit top, which forced the wind..down the pit shaft. 1968 M. Bragg Without City Wall vi. 54 He had a pit-top job at a limestone quarry. 2003 Austral. Mining (Nexis) Apr. Since the mine was opened in 1887, five seams have been worked, starting with the Great Northern Seam which outcrops around the hills surrounding the pit top. < as lemmas |
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