千斤顶

他用千斤顶把汽车顶起来，换下瘪轮胎。

He lifted the car with a jack to change the flat tire .

司机用千斤顶垫高汽车的后轮，查看什么地方出了毛病。

The driver blocked up the rear wheels of his lorry with a jack to find out what was wrong .

我要做的就是用千斤顶把汽车托起来，再把备胎换上。

All I had to do was jack the car up and put on the spare .

他们用千斤顶托起了汽车。

They jacked up the car

他用千斤顶顶起汽车，然后更换后胎。

He jacked the car and changed the back tire .

在普尔曼的信号下,每个人同时转动相同数量的螺旋千斤顶,从而使建筑物缓慢而均匀地升起。

At Pullman 's signal each man turned his jackscrew the same amount at the same time , thereby raising the building slowly and evenly .

他用千斤顶把车顶起来换下瘪轮胎。

He lifted the car with a jack to change the flat tyre .

前瑞安装有液压千斤顶用来调整坡度

The front end is equipped with hydraulic jacks used for grade adjustment .

千斤顶油缸加工专用机床的PLC控制系统设计

The Design Of PLC Controlling System In The Jack-cylinder Processing Machine Tool

应用有限元软件ANSYS，通过对模拟千斤顶升温的模拟千斤顶法实现拉索预应力，提出了张弦桁架预应力的实用确定方法。

Cable prestress is simulated with a jack and realized by increasing its temperature through finite program ANSYS . An available method of truss-string structure prestress decisions is put forward .

当钢筋混凝土梁受到千斤顶的加载时，它的应变可由光纤Bragg光栅的反射Bragg波长的偏移量获得。

When the reinforced concrete girders are loaded by the jack , theirs strain are measured by the shift quantity of reflected Bragg wavelength in these sensors .

用千斤顶将发动机缓慢地降低约15mm。

Slowly lower the engine approximately15mm using the jack .

以千斤顶的墙板为例在有限元分析软件ANSYS中进行拓扑优化设计，优化结果表明这种方法是有效可行的。

As an example , the topology optimal design of the wallboard of horizontal jack with the FEA software ANSYS is presented . The results show that the optimization method presented in this paper is feasible and effective .

KY-310牙轮钻机稳车千斤顶下沉的浅析与处理

Analysis and soution of the amount sunk of supporting jack in KY-310 drilling rig

YCW系列轻型千斤顶的可靠性研究

Study on Reliability of YCW Series Light Jack

介绍了利用千斤顶、移运器、卷扬机及钢筋混凝土滑道等设备对24m预应力混凝土箱梁进行顶升、横移、存放的施工技术。

The paper introduces the jacking up , transverse shifting , and storaging of 24m PC box girder by using jacks , shifting device , winch and reinforced concrete slipway .

主机移放到机座后拆除运输底座，安装好线条板底板，将螺丝千斤顶按安装位置安放，将主机按坐标和标高就位到离地面100mm。

Remove the transport seat pads when the engine is shifted on the engine base , install the line plate baseboard , and place the screw jacks according to the installation position .

操作方便快捷：电动千斤顶利用内置12V直流电机，底部采用平板支座设计，省时省力，避免传统千斤顶的操作危险，方便安全。

Convenient operation : electric jack using built-in12 v dc motor , bottom slab joints are designed , the save Labour , avoid danger , the traditional jacks operate convenient safety .

运用ANSYS软件，依据欧洲CEN标准，对千斤顶进行偏载非线性有限元仿真分析，从而优化设计和改型，提高设计的可靠性。

By using ANSYS software and European CEN standards , the nonlinear finite element simulation analysis on eccentricity load of ram is carried out in this paper , thus , the design and type-modification are optimized and the reliability of design is improved .

针对钢制Φ30m×30m氧化铝贮仓的安装问题，详细介绍了采用千斤顶顶升的方法及施工要点，并提出施工中应注意的问题，以利成功地完成安装。

In view of the problems in fixing steel Φ 30 × 30 m alumina bunker , it introduces the means and construction points in using jack to lift , and puts forwards some questions should be noticed to success to fix .

液压支架立柱、千斤顶防腐技术的研究

A research on the corrosion protection technology of Hydraulic support jacks

基于优化设计的螺旋千斤顶三维零件库的建立

3D Part Library of Jack Screw Establishment based on Optimal Design

一元线性回归方程在千斤顶校验中的应用

The application of one-place linear regression equation in lifting jack checking

用千斤顶将发动机缓慢地升高到安装位置。

Slowly raise engine to its installation position using the jack .

变速器横梁已拆下，现由千斤顶支撑。

Transmission cross member is removed and supported with the jack .

提升的铁路滚动托架及轨道用千斤顶（液压的除外）

Jack for lifting railway rolling-stock or track ( excl. hydraulic )

螺旋千斤顶螺纹副优化设计

The Optimum Design for the Screw Part of the Screw Jack

小千斤顶顶升法更换连续梁桥支座

Replacing the Bearing of Continuous Beam Bridge by Using Small Jack

轧机螺旋千斤顶的改进设计

Improving on the Design of Screw - jack of Rolling Mill

降下车间千斤顶并移出工作区域。

Lower workshop Jack and move out of work area .