Liaohe Oilfields,the third la-,rgest petroleum bases of China 1S located n Liaoning Province.The output of crude oil and natural gas has been increased rapidly,since 1970.due to making a great effort 1n exploration an...Liaohe Oilfields,the third la-,rgest petroleum bases of China 1S located n Liaoning Province.The output of crude oil and natural gas has been increased rapidly,since 1970.due to making a great effort 1n exploration and development.展开更多
文摘Liaohe Oilfields,the third la-,rgest petroleum bases of China 1S located n Liaoning Province.The output of crude oil and natural gas has been increased rapidly,since 1970.due to making a great effort 1n exploration and development.
