基本解釋深孔鑽牀；槍孔鑽牀詞組短語(yǔ)短語(yǔ)gun n drilling machine 槍孔鑽牀CNC KNEE GUN DRILLING MACHINE 數(shù)控臥式槍孔鑽牀gun drilling machine更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)槍孔鑽牀