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