基本解釋[經(jīng)濟(jì)學(xué)]萬能齒輪試驗(yàn)機(jī)詞組短語短語gear universal testing machine 螺輪萬能試驗(yàn)機(jī)screw -gear universal testing machine 螺輪萬能試驗(yàn)機(jī)universal gear testing machine更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)萬能齒輪試驗(yàn)機(jī)