基本解釋[經(jīng)濟(jì)學(xué)]可調(diào)偏心螺旋式泵詞組短語短語adjustable e eccenter -worm pump 可調(diào)偏心螺旋式泵adjustable eccenter-worm pump更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)可調(diào)偏心螺旋式泵