单词 | pumpset |
释义 | > as lemmaspumpset pumpset n. [compare slightly later pumping set n. at pumping n. Compounds 2] a complete pumping installation, comprising a pump, a source of power, and any necessary pipes, valves, filters, etc. ΘΚΠ society > occupation and work > equipment > pump > [noun] > set or installation of pumpset1883 pumping set?1889 set?1889 1883 W. S. Gresley Gloss. Terms Coal Mining 229 Snorepiece, the lowest end of a pump sett through which the water passes. ?1889 W. Tate Princ. Mining xxi. 158 The thickness of pump sets is calculated by the following formula. 1969 Capital (Calcutta) 27 Feb. 354/1 In 1967–68 alone, 250,000 pumpsets, 50,000 private tubewells and 1,000 large State tubewells were installed. 1991 Professional Engin. July 8/2 Under normal situations these shafts contain up to six main pumpsets. < as lemmas |
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