1.
A jack operated by a screw.
螺旋起重机，螺旋千斤顶由螺旋杆运作的起重机
2.
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。
3.
a pneumatic jack
气力起重机, 气力千斤顶
4.
A usually portable device for raising heavy objects by means of force applied with a lever, screw, or hydraulic press.
千斤顶，起重机通过杠杆、螺丝钉或水的压力把重物提起的便携式装置
5.
screw-operated jack.
螺旋装置操纵的起重器。
6.
mechanical controllable pitch propeller
机械式可调螺矩螺旋桨
7.
top entering propeller agitator
顶伸式螺旋桨搅拌器
8.
An airplane having such a propeller.
螺旋桨飞机有这样一种螺旋桨的飞机
9.
spiral part of a screw
（螺钉的）螺旋部分.
10.
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。
11.
Deformation analysis on cantilever screw conveyer shaft based on method of dynamic double barycenters
基于动态双重心法的悬臂螺旋输送机螺旋轴的变形分析
12.
Study of Several Metal Ions Biosorption by Spirulina Platensis
钝顶螺旋藻对几种重金属离子生物吸附的研究
13.
large oversized 4 kw ac motor drive, coupled directly to a helical bevel gear, which in turn is connected to an individual housing containing the oversized trust bearing for the screw drive.
大型4千瓦交流电机直接同螺旋型锥齿轮连接。
14.
helical gear with helix angle
带螺旋角的螺旋齿轮
15.
paranemic spiral
平行螺旋，反向双股螺旋
16.
helical curve [ line ]
螺旋曲线螺旋(取向)照相
17.
Designing of screw conveyor for EPB pipe-jacking tunneling machine
土压平衡顶管掘进机螺旋出土系统的设计
18.
Primary Exploration in Application of Dealing Organic Sewage with Spirulina Platenis;
钝顶螺旋藻在有机污水处理方面的应用初探