查询词典 hydraulic drive

The infiltration experiments of fixed water head and variable water head within the ring permeameter are conducted in the indoor trough. The observation data are used to optimize soil hydraulic parameters, such as horizontal and vertical hydraulic conductivities.

利用大型室内土槽单环定水头入渗及变水头入渗试验资料，反求水平及垂向饱和入渗系数等土壤水力参数。

This design topic is the Design of Lifting Mechanism for ZYD 600SB Hydraulic Static pile Driver .it mainly includes three partial contents: Host computer design, hydraulic system design, control section design.

摘 要 ：本次设计的题目是ZYD600SB 液压静力压桩机的升降行走机构的设计，它主要包括三个部分的内容：主机的设计，液压系统的设计。

By studying effects of different drip irrigation patterns of root zone and watering treatments on young apple tree growth and root hydraulic conductivity, it shows that there is a positive correlation between root hydraulic conductivity and root dry mass and water potential.

在果树分布较多的干旱半干旱地区，农田水分和养分与盐分胁迫并存，对果树的生长产生很大的影响，研究控制性分根交替灌溉和环境因素对苹果幼树水分传输的影响对于丰富果树水分传输理论以及节水调控机制具有重要的理论和实际意义。

There is a linear positive correlation between root hydraulic conductivity and root zone soil moisture and also soil temperature showed a positive correlation with root hydraulic conductivity.

根系水分传导与根区土壤含水量和土壤温度均呈线性正相关关系，部分根区滴灌方式提高了根区土壤温度也是引起根系水分传导提高的一个重要因素。

I plant was built in 1993, has assets of 10 million yuan, more than 300 workers, engineering and technical personnel 36 people, specializing in the production of hydraulic power block brake products and hydraulic power to promote family products, existing production in more than 10,000 Taiwan Production capacity, the products are exported to over 30 provinces and cities, praised by customers.

我厂始建于1993年，拥有资产1000万元，职工300余人，工程技术人员36人，专业生产电力液压块式制动器系列产品和电力液压推动器系列产品，现有年生产万余台的生产能力，产品远销全国30多个省市，深受客户好评。

The weighing hopper under the stock house are hydraulic driven, which is supplied by an independent hydraulic power pack.

称重料斗下家股票都是液压驱动的，这是由一个独立的液压动力包。

Hefei Haide Hydraulic Pree CO,Ltd.is located in the Individually-run Scientific Park of Hefei Economic Tehnical Development Zone, which is a scientific-type individual-run enterprise to research and develop hydraulic presses.It covers an area of 700 spuare meters,With assembly workshop and office building here.The company takes the aim of "man is important,market is the guidance and techmical innovation is the suppout"to service for market and exploit the market.An excellent enterprise figure has been built in many customers.

合肥海德数控液压设备有限公司位于合肥经济技术开发区民营科技园内，是专业从事液压机研制的科技型民营企业，公司自创建以来，一贯本着以人为本，以市场为先导、以技术创新为依托的宗旨，积极服务于市场，开拓市场，在众多的用户中树立了良好的企业形象。

QYJ Fully-auto Hydraulic Cutting Forming Machine is a newly-developed static press machine on the basis of hydraulic press machine and cutting forming machine, which is full of all advantages of these two.

泉州联达市政机械制造有限公司通过机电商情网发布供应HQY-2500型多功能路面砖液压成型机的信息，您可以点击查看此产品的详细介绍

A general mathematic model of lifting subsystem and hydraulic balancing subsystem was set up by using correspond relation of the force and the displacement at the interface of lifting and hydraulic system, then the question that the principal diagonal elements of mass matrix were zero is resolved. Meanwhile the effect on the general dynamic characteristic of ellipticity of is considered.

通过卷扬系统与液压系统在界面耦合处的力和位移协调关系，建立诸如M〓+C〓+KX=F形式的机械卷扬-液压均衡系统综合数学模型，模型中考虑了卷筒椭圆度偏差以及直径偏差对整体动态性能的影响，解决了耦合后数学模型质量矩阵主对角线元素奇异的问题。

As an important component of electro-hydraulic proportional control system, the electro-hydraulic proportional valve controller is a device that providing a specific current to proportional valve, so that the flow or pressure of the liquid under continuously control in proportion to it.

电液比例阀控制器作为电液比例控制系统的重要组成单元，其功能是对比例阀提供特定性能的电流，使比例阀控制的液体流量或压力连续成比例地受到控制。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48