| 单词 | pressure displacement | 
| 释义 | > as lemmaspressure displacement   pressure displacement  n. ΚΠ 1903    A. M. Clerke Probl. Astrophysics 38  				Pressure-displacements and motion-displacements are, in fact, respectively concerned. 1993    Oil & Gas Jrnl. 		(Nexis)	 4 Jan. 40  				A syringe pump metered the fluid, constant flow rate, and constant pressure displacements. < as lemmas | 
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