"用千斤顶顶起某物" can be translated into English as "jack up something" or "raise something with a jack".
Here are some example sentences:
We need to jack up the car to change the tire. （我们需要用千斤顶顶起汽车来换轮胎。）
They used a hydraulic jack to raise the heavy machinery. （他们用液压千斤顶顶起了重型机械。）