screw jack

基本解釋

We can adjust the levelness of the machine by means of shim and screw jack.
我們可以利用墊鐵和螺絲千斤頂來調整機器的水平度。
The lifting capacity of this chain hoist (hydraulic jack, screw jack) is 5 ton.
這個吊鏈(油壓千斤頂;螺旋千斤頂)的起重能力為5噸.
The lifting capacity of this chain hoist (hydraulic jack, screw jack) is 5tons.
這個吊鏈（油壓千斤頂、螺旋千斤頂）的起重能力為5噸。
Each of the four legs contains a simple screw jack with a thrust bearing that is operated telescopically inside of two tubes.
四條腿中每個都裝有一個簡單的螺旋千斤頂，千斤頂中又有一個在兩根管道中做伸縮操作的推力軸承。
Design and Calculation of Screw Jack
螺旋千斤頂的設計計算

a lifting device utilizing the mechanical advantage of a screw thread, the effort being applied through a bevel drive (Also called jackscrew, jack)