| 单词 | piston pump |
| 释义 | > as lemmaspiston pump piston pump n. a pump having a piston. ΚΠ 1790 W. Blakey Misc. Wks. ii. i. 112 Ctesibus of Alexandria, and others, have made use of piston pumps. 1889 Science 22 Feb. 134/2 The piston-pump G is of the well-known Worthington type. 2001 R. W. Cahn Coming of Materials Sci. x. 405 The Toepler pump..is a form of piston pump in which the reciprocating piston consists of mercury. < as lemmas |
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