THE TECHNOLOGY OF TAKING PRECAUTIONS AGAINST THE DRILL STRING BECOME INVALID IN THE FU COUNTY EXPLORATION AREA OF THE ZHONGYUAN OILFIELD COMPANY是什么意思_THE TECHNOLOGY OF TAKING PRECAUTIONS AGAINST THE DRILL STRING BECOME INVALID IN THE FU COUNTY EXPLORATION AREA OF THE ZHONGYUAN OILFIELD COMPANY在线翻译_英语_读音_用法_例句