基本解釋[經(jīng)濟(jì)學(xué)]往復(fù)式井下泵[能源科學(xué)技術(shù)]往復(fù)式井下泵詞組短語短語borehole e reciprocating pump 往復(fù)式井下泵borehole reciprocating pump coupling 往復(fù)式深井泵聯(lián)軸器borehole reciprocating pump更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)往復(fù)式井下泵能源科學(xué)技術(shù)往復(fù)式井下泵