基本解釋[經(jīng)濟(jì)學(xué)]雙動(dòng)式空氣壓縮機(jī)詞組短語短語two -stage double acting air compressor 兩級(jí)雙作用空氣壓縮機(jī)double-acting air compressor更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)雙動(dòng)式空氣壓縮機(jī)