推移千斤顶采用框架结构，以减少推溜力和增大移架力。
Passes the hoisting jack to use the portal frame construction, reduces pushes slides the strength and increases moves a strength.
youdao
顶架与推锁关闭。
Top frame with push lock closure.
具有升沉补偿顶推架的作用；
Functions as a heave-compensated jacking frame;
应用推荐
模块上移
模块下移
不移动