estimated service life
英 [ˈestɪmeɪtɪd ˈsɜːvɪs laɪf]
美 [ˈestɪmeɪtɪd ˈsɜːrvɪs laɪf]
估计使用年限
双语例句
- The estimated service life of this battery in diesel locomotive was about twice as long as that of its original battery, and it was maintain-free.
性能测试表明起动性能良好，在机车上的使用寿命预期比原有电池提高一倍左右，且无需维护。 - Finally, the overall oil pipeline system was estimated to assure persevering the pipeline to operate normally in the designed service life.
对该输油管道的现状进行系统评估，确保管道在设计年限内可靠运行。