基本解釋[經(jīng)濟(jì)學(xué)]輥式板材拉伸機(jī)詞組短語(yǔ)短語(yǔ)roller -stretcher r machine 輥式板材拉伸機(jī)roller-stretcher machine更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)輥式板材拉伸機(jī)