基本解釋[經(jīng)濟學]球型內(nèi)琯詞組短語短語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)濟學球型內(nèi)琯