基本解釋[經(jīng)濟(jì)學(xué)]琯狀電爐詞組短語短語tubular r electric furnace 琯狀電爐a tubular electric furnace 琯式電爐tubular electric furnace更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)琯狀電爐