| 单词 | pump stroke |
| 释义 | > as lemmaspump stroke pump stroke n. ΚΠ 1836 T. Wicksteed in Trans. Inst. Civil Engineers 1 118 The cylinder was 80 inches, the pump stroke 9¼ feet. 1919 L. H. Morrison Oil Engines xxii. 368 The amount of oil injected, which depends on the length of the pump stroke, is altered as the load changes. 1982 Biol. Bull. 162 224 The Xenopus larva can clear a larger volume of water than Rana, with each pump stroke. < as lemmas |
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