基本解釋[經(jīng)濟(jì)學(xué)]風(fēng)鑽詞組短語(yǔ)短語(yǔ)compressed -air rock drill 風(fēng)動(dòng)鑿巖機(jī)compressed-air drill更多詞組專(zhuān)業(yè)釋義經(jīng)濟(jì)學(xué)風(fēng)鑽