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单词 mine pump
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mine pump
mine pump n.
ΚΠ
1824 ‘R. Stuart’ Descr. Hist. Steam Engine 117 The mine-pump end of the lever-beam.
1901 Amer. Manuf. & Iron World 6 July 1104/1 Double-plunger mine pump,..with daily capacity of over 3,000,000 gallons.
1999 Sunday Gaz.-Mail (Charleston, W. Va.) (Nexis) 18 July 8 a Toney hurt his back lifting a mine pump on March 29.
2008 C. Wolkersdorfer Water Managem. Abandoned Flooded Underground Mines iv. 30 The water transports the ions in the direction of the lowest hydraulic pressure, usually towards the mine pumps or the open mine workings.
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更新时间:2024/12/23 3:58:30