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pumping action短语¹⁰⁶¹⁰⁰⁺⁵ 基本例句 增压泵动作,抽吸作用,抽水作用 Due to the incompressibility of liquids true for practical purposes, all energy imparted to a liquid by the pumping action tends to put it in motion. 由于液体的不可压缩性实用上可认为是真实的,离心泵对液体施加的全部能量欲使液体运动。 www.infopetro.com.cn Heart assist devices are mechanical pumps that aid in the pumping action of a weakened heart. 心脏辅助泵装置是针对心率弱的病人。 dxy This involves stimulating both the left and right sides of the heart, in order to synchronise their contraction. That, in turn, improves the pumping action. 此类治疗通过对心脏左右两部分的刺激来实现二者的同步收缩,进而改善心跳。 ecocn |