单词 | pump-piston |
释义 | > as lemmaspump-piston pump-piston n. ΚΠ 1735 M. Clare Motion of Fluids 60 The upper Leather of a Shoe is strong enough to resist any reasonable Pressure from above, as in the Case of the Sucking and Lifting-Pump Pistons.] 1797 Encycl. Brit. XVII. 750/1 To return the pump pistons into their places at the bottom of their respective working barrels. a1877 E. H. Knight Pract. Dict. Mech. II. 1831/2 Pump-piston, the reciprocating disk within a cylinder by which the fluid is expelled. 1964 Technol. & Culture 5 569 The supposed pistons are worn down around the middle as if they had supported some object... Pump pistons would not show such wear. 2002 J. H. Furnée in S. C. Anderson & B. H. Tabb Water, Leisure & Culture 66 In January 1890, the club..built an extra, artificial skating rink by constructing a pair of dykes and by using modern pump pistons. < as lemmas |
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