液压

Thrust hydraulic system and screw conveyor hydraulic system of shield tunnelling machine were designed with electro-hydraulic proportional control technology.

采用电液比例控制技术对盾构掘进机推进液压系统和螺旋输送机液压系统进行了集成设计。

In order to control ground settlement and reduce ground deformation,thrust hydraulic system and screw conveyor hydraulic system of shield tunnelling machine were designed with electro-hydraulic proportional control technology.

为了控制地面沉降，减少地表变形，采用电液比例控制技术对盾构掘进机推进液压系统和螺旋输送机液压系统进行了集成设计。

Structure design and control method of the cutter body system are the main problems in producing shield driven by hydraulic cylinder directly , in-depth and systemic research about these important probl.

液压缸直接驱动盾构是一种全新的盾构机型，目前国际上和国内还无同类产品出现，因此，液压缸直接驱动盾构的研究，对于发展具有我国自主知识产权的盾构技术无疑具有重要意义。

The coordinated control of the pressure and the speed for shield thrust hydraulic system was realized with PLC based on the CC-Link Profibus technique, and the man machine interaction was also developed for the condition monitor of shield thrust hydraulic system with Kingview software.

利用基于CC-Link现场总线的PLC控制实现了盾构推进液压系统速度和压力的协调控制，采用组态王软件开发的盾构推进液压监控系统实现了人机交互。

Based on the investigation and research on shield machine technology, and studying the hydraulic thrust control system of shield machine by reading, analyzing, summarizing lots of literatures and investigating at site. Referring to the simulation experiment platform of shield machine built by ZheJiang University and ShangHai Tunnel engineering corp., analyzing the work principle of the thrust hydraulic system and the thrust attitude control method of shield machine.

在对盾构技术充分调研的基础上，通过阅读、分析及综合大量文献和现场调研，参照浙江大学和上海隧道工程公司共建的盾构模拟实验台，分析了盾构液压推进系统工作原理及其掘进姿态控制的方法，对盾构液压推进控制系统进行了控制仿真研究。

All systems are hydraulically operated and controlled by a central hydraulic power pack.

所有系统液压操作并且通过一个中心液压动力装置控制。

Provide hydraulics professional technical support to all CSR to maintain and develop hydraulic parts and service sales.

为CSR提供专业的液压技术支持，发展和提高液压零件和维修销售。

The mechanical engineering hydraulics is concerned, the normal operation of the hydraulic system is one of the main technical conditions.

就液压传动的工程机械而言，液压系统的正常运行是其良好技术状况的一个主要标志。

With the development of hydraulic technology, hydraulics has been applied widely in many industry fields as an automatic control means.

随着液压技术的发展，作为一种自动控制手段，在众多的工业领域中液压技术已经成功地获得了广泛应用。

They had been widely used in the automobile parts. The raw material of hydroforming parts was tubes.

液压成形技术中使用的原材料为钢管，近年来利用激光焊管作为液压成形的原材料，得到了迅速发展。

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。