Hydraulic jacks — shown in green — then push the entire system up to the next level.

液压千斤顶——显示为绿色——将整个系统推到上一层。

Finally, hydraulic jacks will be installed between each of the fifty-two piles and beams.

最后，将在五十二根桩和梁之间安装液压千斤顶。

Then, the yellow climbing brackets are released, and the hydraulic jacks bring the lower deck up to join the rest of the core system.

然后，拆开黄色爬升支架，用液压千斤顶将下层甲板提升到核心系统的上一层。

Once everything is installed, the contractor will use the hydraulic jacks to lift the building's foundation, transferring about 20 percent of the load onto the new perimeter piles.

一切安装完毕后， 承包商将使用液压千斤顶提升建筑物的地基，将约 20% 的负载转移到新的周边桩上。

A laser ranging system could communicate with hydraulic jacks to carefully adjust the tension in these tie-downs and keep the platform perfectly stable within the precision of a millimeter.

激光测距系统可以与液压千斤顶通信，仔细调整这些系紧装置的张力，并使平台保持在一毫米精度内的完美稳定。