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| 单词 | suction pump |
| 释义 | > as lemmassuction pump suction pump n. a pump of the type in which the barrel is placed above the level of the reservoir, and is connected therewith by a suction pipe. ΘΚΠ society > occupation and work > equipment > pump > [noun] > suction pump sucking-pump1660 suction pump1825 1825 ‘J. Nicholson’ Operative Mechanic 635 Two or three kinds, used for domestic purposes, of which the suction and lifting pumps are the chief. 1883 Science 1 524/1 It has long been discussed whether the ventricle of the heart is not only a force-pump in systole, but also a suction-pump in diastole. < as lemmas |
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