average life of well
英 [ˈævərɪdʒ laɪf ɒv wel]
美 [ˈævərɪdʒ laɪf əv wel]
油井平均开采期
双语例句
- The average life of casing side-tracking wells is about 2 a in Liaohe oil province. Short life of side-tracking well restricts the development and popularization of this technology.
辽河油区套管开窗侧钻井平均寿命仅2a左右，侧钻井寿命短一直是制约该项技术发展和推广的瓶颈。 - The average life expectancy is an important indicator of the physical condition of a state or a region. It is a "barometer" of the socioeconomic condition as well.
平均预期寿命是反映一国家、地区人类健康状况的重要指标，也是综合反映国家、地区社会生活状况的晴雨表。