Research on Leakage of Prop Jack in Powered Support and Settlement Measure
液压支架立柱千斤顶密封泄漏研究及解决措施
A research on the corrosion protection technology of Hydraulic support jacks
液压支架立柱、千斤顶防腐技术的研究
hand vertical hydraulic jack
手动立式油压千斤顶
hand operated vertical hydraulic jack
手动立式液压千斤顶
"Is there a jack-screw to be had?"
“你们有千斤顶吗？”
Analysis on Control Methods of Role of Equilibrium Jack of Two Led Hydraulic Shield
两柱掩护式支架平衡千斤顶控制方式的分析
Jack up a car
用千斤顶把汽车顶起来
The two rear jacks( those closest to the mast) are independently ad-justable.
靠近支架的两个背后的千斤顶可以独立调节。
They put the car up with a hoisting jack.
他们用千斤顶把车抬高。
lifting jack (excl. hydraulic)
千斤顶（液压的除外）
hydraulic jack (excl. built in)
液压千斤顶（固定的除外）
hydraulic trolley jack
手推车式液压千斤顶
horizontal action jack (excl. hydraulic)
水平千斤顶（液压的除外）
a pneumatic jack
气力起重机, 气力千斤顶
oil-powered hydraulic truck jack
燃油液压汽车千斤顶
built-in jack for lifting vehicles
起升车辆固定千斤顶
lift a car with a jack
用千斤顶把汽车托起
hitch lifting jack
连结装置的起落千斤顶