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单词 coal-washing
释义

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coal-washing
coal-washing n. the action or work of removing impurities from coal; frequently attributive.
ΘΚΠ
the world > physical sensation > cleanness and dirtiness > clearing of refuse matter > [noun] > clearing coal from refuse
coal-washing1852
1852 Rep. by Juries Exhib. Wks. Industry of all Nations, 1851 26/1 The two exhibitors to whom the Council Medal has been decreed..Mr. Bérard,..for his coal-washing apparatus.
1930 Engineering 14 Feb. 196/1 The term coal-washing, within recent years, has come to mean the general preparation of the coal for direct or indirect utilisation.
2006 Australian (Nexis) 14 June 4 He now works at Sedgman coalwashing plant at Nebo.
extracted from coaln.
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更新时间:2024/11/10 22:46:14