To ensure operation safety of oil pipeline and cut down the leakloss to the maximum, it is very necessary and important for oil transportation enterprises to do the rehabilitation work in time.
为了确保输油管道安全平稳输油，最大限度地减少损失，应及时对泄漏的管道进行抢修。
2
Bricks show no loss of useful mechanical properties even when 20-30% of their content is slag. Nor do they leak.
即便当渣含量达20% - 30%时，制成砖并未显示出有用力学性能的损失，同样也没有产生裂纹。
3
The resulting stream of charged particles, called the polar wind (not to be confused with the planetary wind), accounts for 10 to 15 percent of Earth's hydrogen loss and almost its entire helium leak.