工作体积

Product characteristics : 1, excellent heat resistance : can adapt to the use of power lines due process overload and short circuit of the high temperature; 2, excellent electrical properties : material for the performance of their higher intensity and volume resistivity of insulation, security is good; 3. excellent corrosion resistance and anti-aging properties : apply to the soil and working environment, long life; 4. excellent flame retardance : difficult combustion; 5, smooth wall formation, the friction coefficient, good wear resistance : in the installation process can greatly reduce the damage to power lines, improve work efficiency; with the traditional asbestos cement pipes, the The product is light weight, good flexibility, earthquake-resistant and differential settlement, and not at the construction site encapsulation pouring concrete; Transport construction is simple, low cost, can greatly shorten the construction period.

产品特点： 1、优良的耐热性能：能适应电力电缆使用过程因过载短路而产生的高温； 2、优良的电气性能：材料自身表现为较高绝缘强度和体积电阻率，安全性好； 3、优异的耐腐蚀性能和抗老化性能：适用于各种土壤和工作环境，使用寿命长； 4、优良的阻燃性能：不易燃烧； 5、内壁光滑平整、摩擦系数小，耐磨性能好：在敷设过程中可大大降低对电缆的损害，提高工作效率；与传统的石棉水泥管相比，产品的重量轻、柔性好、抗震性及抗不均匀沉降好，无须在施工现场包封浇混凝土；运输施工简便，费用低，可大大缩短工期。

Contraposed the problems in homegrown supercharge waterflood pumps,raised the design philosophy of fluid drive superseding traditional mechanical crank gear and designed a new style of double cylinder single-action hydraulic waterflood pump system under the precondition of satisfing water-injection technology requirements.

石油工业的发展对注水泵提出了更高的要求：一方面泵的压力越来越高，功率越来越大，而制造和维护成本要低，体积和质量也不能过大；另外由于石油工程用注水泵的工作条件十分恶劣，如何提高注水泵易损件的工作寿命，更好的满足需要是设计的关键。

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。

Due to the moving mechanical parts, the conventional mechanical valves not only incur the following problems such as the structural complexity, large volume size, high precise machining, easy wear-out, and high cost, but also incur the control difficulty, slow response, high noise, and low reliability.

传统的液压控制阀由于存在活动的机械部件，不仅结构复杂、体积大、加工要求高、容易磨损、成本高，而且还存在不易控制、响应慢、工作噪声大、工作可靠性低等问题。

Flag stone is easier to handle than the larger, bulkier types of rock, so as long as you give yourself plenty of time and do your work when the sun is low, the labor end of the job won't seem all that back breaking.

石材较容易处理旗较大，体积岩石类型、只要你给自己充裕的时间，做你的工作，当太阳较低，劳动结束后，所有的工作似乎不会回打破。

The major concentsare summarized as follows: 1.Experimental research on the GFRP Tubed short reinforced concrete columns underaxially loaded are carried out to investigate the mechanical properties of working feature, theeffect of GFRP tube confining,ductility of the specimens.The effects of concrete strength,loading condition,ratio of longitudinal reinforcement and ratio of stirrups are researched.

完成了以下工作： 1、通过GFRP套管钢筋混凝土组合短柱的轴心受压试验，研究其工作机理、破坏形态、GFRP管对混凝土的约束效果、延性，试验研究了影响这种组合短柱轴压力学性能的部分因素，包括混凝土强度，GFRP管不同的受力方式，纵筋配筋率，体积配箍率等。

Measured the basic physical parameters of unsaturated soils in Three Gorges Reservoir area; 2 measured the initial sample matric suction using the unsaturated triaxial testing system, which can be used to evaluate the unsaturated soil strength and stress; 3 the drying and moisture absorption experiments were executed using the Tempe apparatus, and got the Soil-Water Characteristic Curve, permeability coefficients of every stress level were simulated according to the parameters from the SWCC; 4 the unsaturated soil strength tests were carried out using the GDS triaxial testing system, then got the Mohr circle and shear strength parameters; the results from different stress paths were compared; meanwhile, the axial strain-stress ratio-volume strain curve of different matric suction and different radial pressure was got, as well as their relationship; The research, which provided the necessary data and reference for Three Gorges Reservoir area geologic disaster, is the basic component of Three Gorges Reservoir geologic disaster prevention and research, and experimental results will be used directly in the project.

1量测了三峡库区非饱和土的基本物性参数； 2用非饱和土三轴试验仪量测了试样的初始基质吸力，为评估非饱和土的强度和应力水平提供参考； 3用Tempe仪和体积压力板仪进行了非饱和土的干燥和吸湿试验，得到了土-水特征曲线，并根据其参数拟合出各级吸力状态下对应的渗透系数； 4用GDS三轴仪进行了强度试验，得到了Mohr圆和抗剪强度参数；并比较分析了不同应力路径下试验结果；同时得到不同吸力和不同围压下轴向应变-应力比-体应变的关系曲线和其相互关系。该研究是三峡库区地质灾害防治研究工作的基础性工作，其结果将直接应用到工程实际中，为三峡库区地质灾害提供必要的数据和参考。

Because the underwater operating systems such as the machine drilling shallow stratum core sample in deep sea, the video grab bucket and so on are small and agility, they are capable of exploring and operating in smaller bodies of water in addition to areas of the ocean that would be out of reach for a larger vehicle. Being autonomous requires that the system must be capable of performing without the need for human supervision, so use of external sensors such as sonar are needed to ensure the safety of the vehicle during missions.

由于目前水下操作设备如深海浅地层岩芯取样钻机、电视抓斗等具有体积小、操作灵活等特点，而且要求设备能够在无人操作的前提下工作，因此需要声纳式高度计来保证设备能安全地在水下工作。

The fault on the tool post may be due to the breakdown of machinery,electrical as well as control system.

0引言TDNC150A数控车床属台式数控车床，体积轻巧、结构紧凑，装有四工位自动回转刀架，使用WA-21S数控系统；它是典型的由单片机和步进电机组成的经济型数控车床，由于其价格低、适应性好，常常用于教学和普通零件加工；它的刀架结构是蜗杆蜗轮式，能够独立控制，要使其正常工作，涉及到机械、电气、控制系统等的稳定可靠工作。

Based on the theoretical work between strengthening effect and grain diameter index, the ratio of geometric area is analyzed.

作者在前人得出的加固效果与粒径指数关系的理论工作基础上，分析了根据粒径指数和一定的加固后影响范围的几何面积的比值，则可以确定承载力改善值，以及每米单位长度 L 的沉管干振碎石桩所需的填充料的体积关系，同时，如果我们已知土的粒径指数值和给出加固效果值，则可以得到每米碎石桩的体积与加固后影响范围的几何面积的比值。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。