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
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
