液压

And the master idler wheel works together with the top left and right pressing wheel through the up/down lifting of the hydraulic cylinder in the bottom to realize the straightening on the flange that distorted after welding.

而且主动滚轮又通过底部液压油缸升降，与上部左右压轮一起，实现翼板焊接变形的矫正。

Then, the hydraulic model is imitated 、 analyzed and optimized.

对构建的液压模型进行仿真、结果分析及系统的优化。

And the inverse result of kinematics for the shield hinge equipment is obtained and one-degree inverse coefficient matrix of the impact, two-degree inverse coefficient matrix of the impact and the expression of velocity, acceleration for every component are calculated, all of these lay the foundation for the following kinetics of the shield hinge equipment.

研究盾构铰接装置的能控性问题，讨论铰接液压缸的驱动力对切口环上末端力的控制能力，通过盾构前体切口环的末端力能控性，理论证明盾构铰接装置在土层中工作时切口环的可行运动与不可行运动，并得到可行运动的运动特性曲线。

In general, it is believed that, the impingement angle of particles in the hydraulic machinery is small.

医学 一般而言，大多数人相信在液压的机械装置里粒子的角度影响是很小的。

Protech Technology Development Co., Ltd is the cooperation partner of Torq/Lite in China, it is full charge of sales、technical support and service of hydraulic fastening products of Torq/Lite in China.

普若泰克科技发展有限公司是Torq/Lite公司在中国的合作伙伴，全权负责Torq/Lite品牌的液压紧固产品在华地区的销售，技术支持与服务。

As an assembly tool of the big diameter bolts, hydraulic torque wrenches have many advantages, such as big output torque, easy operation, being able to be used conveniently in the incommodious room, and comparatively precise control of the magnitude of torque.

液压扭矩扳手作为一种大直径螺栓的装配工具，具有很多的优点，如输出扭矩大，使用方便，能够在狭窄的空间范围内使用，且能够比较准确控制预紧扭矩的大小等。

The finite element method is used to simulate transientflow of incompressible viscous fluid in a planar sudden expansionchannel.

0引言在液压传动和控制系统中，突然扩大的管道流动是一种常见的流动现象。

In this thesis,a newly designed one adopts PLC control,which is also easy-operating,high-reliable. Meanwhile,in its hydraulic system design,a special high-speed cylinder is used to drive indenter down fa...

同时在压力机液压系统设计中，采用了一个特制的快速运动缸，来实现压头快速下行，速度快、效率高，功率利用也更为合理，在生产中取得了满意的效果。

This unfold as profession's audience's proportion ascension can take on come out, agent visit the exihibition many, overseas unfold Shang Dynasty's new face many and participate in exhibition equipment category many and so on for delegate de internationalization, specialize feature, most amazing is all sorts of small-typed, dedicated device and individuate product a new force suddenly coming to the fore, attract ample audience, be like participate in exhibition de small-typed hydraulic pressure's excavator's brand reach 10 surplus kind of.

此次展会呈现出了以专业观众比例上升、代理商观展多、海外展商新面孔多和参展设备种类多等为代表的国际化、专业化特点，最令人瞩目的是各种小型、专用设备以及个性化产品异军突起，吸引了广大观众，如参展的小型液压挖掘机品牌达10余种。

The hydraulic angle semi automatic product line is mainly used in punching and printing procedures of equilateral and inequilateral angles with their side length of 160 mm and smaller ones; leaves out lineation on angles and alinement when punching one by one; it only needs to input such parameters as the positions of each hole and of printing; put the angles to be processed on the pincer of the cart; then, automatic consecutive punching can be realized.

本液压角钢半自动生产线主要用于边长160mm及以下各种等边不等边角钢的冲孔及打字工序，省掉在角钢上逐一划线及冲孔时逐一对线的作业，只须按一定程序将各孔位置需打字位置等参数输入计算机，将所需加工角钢装在小车夹钳上后，即可实现自动连续冲孔。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。