例句與造句

1. 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
   摘要針對江漢油田的特點(diǎn)和現(xiàn)狀，分析了油田目前采油成本控制存在的問題，并從油田長遠(yuǎn)發(fā)展的戰(zhàn)略出發(fā)，提出了以提高油田整體經(jīng)濟(jì)效益為主的采油成本控制對策。
2. It's difficult to find extraction cost in a sentence. 用extraction cost造句挺難的