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As a most important part of DEH (Steam Turbine Digital Electro-hydraulic Control System), EH system is composed of oil supply system, actuator and emergency trip system.

EH系统是汽轮机数字式电液控制系统——DEH中的一个重要组成部分，它主要由供油系统、执行机构和危急遮断系统三大部分组成。

Aiming at large-size steam turbine DEH governing system is complex and difficult to evaluate their conditions, a method of variable weight synthesizing condition evaluation of DEH system is firstly proposed on the basis of analysis on the condition effecting factors of DEH system.

针对大型汽轮机组数字式电液调节系统复杂，难以评价状态的问题，在分析反映系统运行状态各因素的基础上，首次提出了基于变权综合的数字式电液调节系统状态评价方法。

600MW unit is occupying the more and more important status in domestic power system, meanwhile, the simulation models of DEH introduced in this article can be used as a platform for optimizing operation, enhancing performance and diagnosing faults etc, which will certainly to promote DEH widespread utilization as well as the steam turbine control.

600MW机组正在国内电力系统中占据越来越重要的地位，本文开发的数字式电液调节系统仿真模型为电站的生产运行、性能分析和故障诊断提供了一个研究平台，这必将促进数字式电液调节系统的广泛运用以及汽轮机控制水平的提高。

With the wind turbine becoming large, the level of design and requirement is more and more high.

随着风力发电机组的大型化，对其机械零部件的设计要求越来越高。

Taking distributed control system used by 220t/h circulation fluid bed boiler and 25MW double extraction condensing turbine as examples,aiming at the problems exiting in distributed control system,from the aspects of improving safety,generality,flexibility,control performance,integrative management ability,being easy to use and maintenance,adopts a serial of new ways and strategies,makes it being into the new control system which other control systems can't compare with.

以220 t/h 循环流化床锅炉及25 MW双抽凝汽式机组所使用的分散控制系统为例，针对分散控制系统在应用中所存在的问题，对该控制系统在提高安全可靠性、通用灵活性、最优控制性能、综合管理能力以及方便使用与维护等方面，采取了一系列新的方法与策略，使之成为其他控制系统无法比拟的新一代控制系统。

The high chrome cast-iron added a variety of drib and microscale elements was used to make the flat hammer in overpressure turbine crusher,which can improve the wearing resistance and synthesize mechanical property of the products greatly,and the life of the products is 4 times longer than the former high-manganese steel .

在高铬铸铁中加入多种少量和微量合金元素用以生产反击式破碎机板锤，可使产品耐磨性和综合力学性能得到很大程度的改善，使用寿命比原用高锰钢提高4倍以上。

There are many factors influencing hot die forging quality of turbine blade ,such as material property,billet outline and size,die forging method and plan,die cavity structure and drop forging equipment,etc.

有许多因素影响汽轮机叶片的模锻生产质量，例如，材料性质、毛坯外形及尺寸、模锻方式及工艺、模腔结构与锻压设备等。

The stage performance of a small radial inflow turbine has been obtained by means of a recently developed dynamometer.

利用新近研制的一台小型径流涡轮测功器，测取了一台小型径流涡轮的级性能。

A hydraulic turbine is the device which turns kinetic energy of water into circumrotation power energy, and makes dynamotor working, then transfer energy to other place.

水轮机是一种把水流的机械能转变为旋转机械能的动力机械，它一般是以水流为动力带动发电机工作，从而把能量远距离输送出去。

Temper embrittlement is the third high-temperature damage type merely inferior to creep and fatigue of turbine materials.

汽轮机材料的热脆化是仅次于高温蠕变和疲劳的第三大损伤形式。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。