| 单词 | piston plunger |
| 释义 | > as lemmaspiston plunger piston plunger n. ΚΠ 1797 Monthly Mag. 3 464 The piston-plunger is worked by a toothed segment-wheel. 1894 Manufacturer & Builder Nov. 256/2 Piston-plungers are sure to leak badly, requiring frequent re-packing. 2003 Financial Times (Nexis) 7 Oct. 5 Taylor & Fonseca has taken a slightly different route by installing piston plungers in their fermentation vats. < as lemmas |
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