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The reliability of anchor rod tension resistance design of the anchored sheet-piling is studied in this paper.

戴建国 ,闫强刚该文研究了粘性土中锚杆板桩挡土墙锚杆抗拉力设计的可靠性问题。

Based on the research and design of the lock wall of the Three Gorges Project,the action of the dead load and temperature load during construction of the temperature and seepage pressure during operation is analyzd,and the stress of the anchor rod of different free lengths is studied in detail.

结合三峡船闸设计研究工作,通过分析闸墙施工过程中自重荷载、温度荷载以及完建运行时温度应力、渗透压力的作用,详细研究了锚杆取不同自由长度时锚杆的应力情况。

Because of long and thin structure characteristics, and sustain high frequency impact load under erosive medium, the drill rod's serve condition is most rigorous, and drill rod is one of the most easily damage tool in the percussion drilling rock system.

由于细长的结构特征和在腐蚀性介质中承受高频冲击载荷,使钎杆成为服役条件最苛刻、在冲击式凿岩系统中最容易损坏的机件,钎杆寿命低是制约凿岩爆破技术进步的关键问题。

It is primarily fixed in the bushing in the pump and placed in the pump cylinder screw, and with the active engagement of the two driven screw formed.

它主要是由固定在泵体中的衬套以及安插在泵缸中的主动螺杆和与其啮合的两根从动螺杆所组成。

It is mainly fixed on the pump body from the bush, as well as placement in the pump cylinder screw, and the initiative with its meshing of screw driven by two components.

它主要是由固定在泵体中的衬套以及安插在泵缸中的主动螺杆和与其啮合的两根从动螺杆所组成。

As for the problems in the experimentation, such as the slow response speed of axes torque control, the disturbance of torque control to position control of throttle lever and the torque fluctuation of axis, solutions had been put forward and proved theoretically.

对于试验过程中出现的以下问题,油门杆高速运动中输入轴力矩控制的响应速度较慢,输入轴力矩控制对油门杆位置控制的扰动,以及输入轴力矩脉动现象,提出了解决方法,并且从理论上加以验证。

Theory basis provided to solve the problem of vibrationof the universl coupling of three-crank type and to increase the transmission of the universalcoupling of three-crank type.

由于三曲柄式万向联轴器的输人构件上各曲柄杆的轴线分别与输出构件上相应的导向滚道槽轴线相交,所以可根据其相交条件分析其运动关系。图1和图2分别表示三个曲柄杆及三条导向滚道槽轴线在图中所建立的坐标系中的位置tl。

This paper analyzes the stress feature of sucker rod string in a horizontal well,and discusses the necessity of weighting rod in horizontal.

本文首先分析了水平井中抽油杆柱的受力特点,讨论了水平井中抽油杆柱加重的位置与必要条件。

Mainly introduced the main point of manufacture technique for screw and barrel as the key parts of single screw plastic extruder,as well as cautions for two kinds of components in the daily use and the service maintenance in order to reduce maintenance time and enhance labor productivity for the consumers.

叙述了单螺杆塑料挤出机中的关键件螺杆和机筒的机械制造工艺方法的要点,以及两种零件在机器的日常使用和维修保养中的一些注意事项,使用户在使用机器时能减少维修时间,提高劳动生产率。

DirctextX programming is often used in the operation of joysticks category, Packaging it on the joysticks operating inf...

是用DirctextX编程中经常用到的关于游戏杆操作的类,它封装了关于游戏杆操作的信息。在3D游戏中经常用到。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。