单词 | pump plunger |
释义 | > as lemmaspump plunger pump plunger n. the piston of a pump (see plunger n. 2a). ΚΠ 1849 J. Weale Rudim. Dict. Terms Archit. i. 103/1 The ball of the clack is raised from its seat by the stroke of the pump-plunger forcing the water against it. 1889 P. N. Hasluck Model Engineer's Handybk. 61 To give the pump-plunger a travel of 5/ 8 in. 1990 W. A. Livesey GCSE Motor Vehicle Stud. iii. 30/1 The underside of the piston therefore acts as a pump plunger, forcing the fresh charge in the crankcase up and through the transfer port into the cylinder. < as lemmas |
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