Both theoretical analyses and field observations have shown that pipe jackingin such a kind of soft soil ground as in Shanghai area, movements of soils around the pipes is of three-dimension.
理论分析和现场实测都显示，在类似于上海等地的软土地层中顶管施工，顶管周围土的运动问题是三维的。
2
Drug users were jacking up in the stairwells.
当时瘾君子正在楼梯井注射毒品。
《牛津词典》
3
Industry critics say that as consumer preference has shifted toward cremation, funeral homes are jacking up prices in an attempt to preserve profits in a declining market.