基本解釋[經(jīng)濟(jì)學(xué)]球型內(nèi)琯詞組短語(yǔ)短語(yǔ)bulbed d inner tube 球型內(nèi)琯condenser with bulbed inner tube 球形內(nèi)琯冷凝器bulbed inner tube更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)球型內(nèi)琯