查询词典 to cable

In this article,cable tension of beam string structure in Yan an railway station was measured by a new apparatus prestressed tightwire tensiometer,and the cable tension was obtained after the prestress was applied on the structure,then the error was analysed,finally some useful conclusions was obtained.

采用自行研制的预应力钢索张力计对延安火车站张弦梁结构进行了索力测量，得出了预应力张拉后张弦梁各索段的索力，并对测量误差进行了分析，得出了一些有益的结论。

In order to strengthen the structure s total stability,the inner force of the bearing cable and stable cable and the truss section are adjusted reiteratively,and the structural strength and stiffness optimal design is also done.

为了加强结构在风荷载作用下的整体稳定，通过反复调整承重索和稳定索的内力和桁架的截面，对结构进行了强度和刚度的优化设计。

A kind of trencher with vertical auger for cable trench digging is described in the article. Referring to the basic principle of auger drill, trenching operation is realized via horizontal moving. It is a dedicated equipment to excavate cable trenches in oil fields. It features small body, simple operation, high work efficiency and low manufacturing cost for trenching attachment.

介绍一种立式螺旋电缆挖沟机，利用螺旋打洞机的基本原理，通过平移完成挖沟作业，是油田电缆沟开挖的专用工程设备，具有体积小、操作方便、工作效率高和挖沟工作装置制造费用低廉等特点。

Especially in recent years with the constant development of new technologies, the company and give full play to their own scientific and technological advantages in the cable networks tend to the development of triple play, broadband HFC cable network for the integrated business network transformation to provide high-tech level, high-performance, low-cost equipment.

特别是近年来随着新技术的不断发展，公司充分发挥自身科技优势在有线网络趋向三网合一的开发中，为有线网络HFC宽带综合业务网络的改造提供高技术水平、高性能、低成本的装备。

If cable is used and fretting is recognized, especially with intra-articular migration of meta llic material or nonunion of the greater trochanter, consideration should be given to cable removal.

一旦使用捆绑带后明确磨损的发生，尤其是出现关节内金属材料的移位或大转子不愈合，应该考虑取出捆绑带。

In addition, it can support greater cable lengths between network devices than twisted pair cable.

此外，它可以支持更大的电缆长度之间的网络设备比双绞线电缆。

The cable, which may be either shielded or unshielded, is used in low-speed communications, as telephone cable.

这些电缆，可以是屏敞或非敞屏的，作为电话线用于低速通信中。

At present, agencies, schools and enterprises and institutions meeting, often have to vote for certain, however, vote on more domestic use of the voting machine cable, Cable voting machine has many shortcomings: If the meeting to be held in different locations, we need to vote on the same system, the staff will be meeting in different lines of re-arrangement of red tape, so you can easily go wrong, not only to the staff brought a great deal of inconvenience, but also is a waste of time.

目前，在机关、学校和企事业单位会议中，经常要对某些议案进行表决，然而国内投票表决还多使用有线表决器，有线表决器有很多不足之处：如果会议要在不同地点举行，同样需要表决系统，那么工作人员就要在不同的会场重新布置繁琐的线路，这样就很容易出故障，不仅给工作人员带来了极大的不便，而且也浪费了时间。

In addition four vulcanization technologies used for EPR insulated cable and the characteristics of EPR insulated cable are described.

阐述了乙丙橡胶电缆的四种硫化工艺以及乙丙橡胶电缆产品的特点。

Starting with the traits of zero order impedance and the relationship between zero order current and zero order impedance,analyzes the main differences of electric traits of power cable s and aerial lines and the disadvantages of applying power cable s into the traditional grounded protection.

从正、负、零序阻抗特性以及零序阻抗与零序电流的关系入手，分析了架空线路与电力电缆电气特性的主要区别及传统接地保护应用于电力电缆线路所带来的弊端。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。