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单词 monkey shaft
释义

monkey shaft

noun Australian /NZ
(In mining) a small subsidiary vertical shaft: a monkey shaft was then sunk for 7 feet and the easterly drive continued...
  • While climbing a monkey shaft they found their path obstructed by a pair of boots.
  • It was found that it was necessary to have a monkey-shaft in close proximity to the main shaft.
  • A monkey shaft has also been put down 43ft.
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更新时间:2025/2/23 1:55:13