screw jack meaning in English

螺旋起动机；螺旋千斤顶；绞盘 (＝jack screw)。

Portable screw jacks for automobiles
汽车用便携式螺旋千斤顶
395 we can adjust the levelness of the machine by means of shim and screw jack
我们可以利用垫铁和螺丝千斤顶来调整机器的水平度。
The lifting capacity of this chain hoist ( hydraulic jack , screw jack ) is 5tons
这个吊链（油压千斤顶、螺旋千斤顶）的起重能力为5吨。
395 we can adjust the levelness of the machine by means of shim and screw jack
我们可以利用垫铁和螺丝千斤顶来调整机器的确是的水平度。
The lifting capacity of this chain hoist ( hydraulic jack , screw jack ) is 5tons
这个吊链（油压千斤顶、螺旋千斤顶）的确是的起重能力为5吨。