基本解釋[經(jīng)濟(jì)學(xué)]輕便拖車式鉆機(jī)詞組短語短語portable trailer -mounted drill rig 裝在拖車上的輕便鉆機(jī)portable trailer mounted drill rig更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)輕便拖車式鉆機(jī)