短語詞組短語oil well drilling machinery 鑿油井機oil before drilling engineering 石油鑽前工程oil well drilling industry 油井鑽井工業(yè)Oil andGas Drilling andExploration 油氣採集oil -drilling 油井鑽探oil well drilling manager 油井鑽井經(jīng)理;油井鑽探經(jīng)理oil emulsion drilling fluid 混油鑽井液oil well drilling 石油鑽井;油井鑽探 返回 oil drilling