基本解釋[經(jīng)濟(jì)學(xué)]隔水導(dǎo)琯緊軸詞組短語短語riser r mandrel 隔水導(dǎo)琯緊軸riser mandrel更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)隔水導(dǎo)琯緊軸