extraction cost造句

in view of the characteristics and present situation of jianghan oilfield, the author analyzes some problems in the present oil production cost control and, embarking from the oilfield long-term development strategy primarily, proposes extraction cost control countermeasures which take enhancing the oilfield whole economic efficiency as the key
摘要针对江汉油田的特点和现状，分析了油田目前采油成本控制存在的问题，并从油田长远发展的战略出发，提出了以提高油田整体经济效益为主的采油成本控制对策。
It's difficult to find extraction cost in a sentence. 用extraction cost造句挺难的