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单词 pit-sinking
释义

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pit-sinking
pit-sinking n. (sinking n. 2b.)
ΚΠ
1859 Geologist Feb. 60 Information derived from pit-sinkings.
1890 Times 30 July 9/6 The second paper, on improvements in the mechanical engineering of coal mines,..dealt exhaustively with the subjects of pit sinking, pumping, winding, steam haulage, [etc.].
1896 Daily News 4 May 3/6 There are ten new ventures in the way of pit-sinking in Monmouthshire.
1997 Polish News Bull. (Nexis) 8 Sept. Unionists from six mine construction and pit sinking companies from the Katowice region have announced referenda..for the workers to decide whether..they would go on strike.
extracted from pitn.1
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更新时间:2024/12/25 9:03:17