turbine 四级GMAT考研

turbines driven by steam.

由蒸汽驱动的机。

wind power turbines are a blot on the landscape .

风力机有损美好风景。

The gas turbine feeds on the fuel it pumps.

这台机以它抽入的料为能源。

gas can be fed to the turbines at a pressure of around 250 psi.

以约每平方英寸250磅的压强注入汽缸。

turbines turned by steam power; a sailing ship driven by wind power.

用蒸汽力转动机；帆船靠风力行驶

Objective:To explore the application of using turbine machine to pull out infraversion wisdom tooth in mandible.

目的:探讨用机参与拔除下颌低位水平阻生智齿的行性和实用性。

The work consisted of throwing up embankments and installing water turbine pumps.

这项工作包括快速建起堤坝和安装水泵。

A new concept is proposed,under which by utilizing a proven simple-cycle marine gas turbine a type of intercooling-cycle high-power marine gas turbine has been derived.

提出利用成熟的简单循环船用机将其派生为一型间冷循环大功率船用机的新构想,并且原动机生器的通流部分和结构大部分保持不变,以继承原机的靠性。

Based on polytrophic process of air compression and isothermal gas combustion inside the turbine, an improved gas turbine with generality Carnot cycle is suggested.

基于体多变压缩以及等温烧技术,提出了一种改进的概括性卡诺循环机,通过模型预测分析了其性能,并与传统机进行了比较。

Shell Aviation specially developed AeroShell Turbine Oil 555 lubricant for Rolls Royce for use in supersonic transport.

这种航空润滑油是壳牌航空为罗尔斯·罗易斯公司生产的超音速飞机动机专门研制的。

Non-uniform rational B-splines (NURBS) was used to fit component characteristics of aerothermodynamic model for approaching turbine engine.

摘要为了使动热力模型更好的逼近动机，应用成熟的非均匀B样条来拟合部件特性。

It discusses the location and characteristics and causes for turbine low pressure cylinder,and suggests some measures of preventing &slowdown this corrasion.

文章分析了造成低压缸变形的原因,并论述了低压缸变形对低压轴承运行稳定性的影响。

The calculations of the strength,stiffness and steamtight are very importang when high pressure and intermediate pressure casing of 300 MW steam turbine are designed.

本文采用三维弹性接触理论,建立300MW汽机高中压外缸的有限元模型,进而计算了汽缸的温度场、应力和变形。

Stepped and staggered sidecutter is the special miller for machining root rotor slot by Beijing Beizhong Steam Turbine Generator Co.

台阶错齿三面刃铣刀是北京北重汽有限责任公司加工叶根转子槽的专用铣刀。

The ZSJL Water Motor Alarm consists of a turbine shell, a vane wheel, a transmission shaft, a dabber, a rocker arm, a clapper, an alarm seat and a support shaft etc.

ZSJL型穿墙水力警铃是由机壳体、叶、传动轴、芯轴、转臂、铃锤、警铃座、支撑轴等组成。

By comparing the characteristics of submersible pump and vertical lineshaft turbine pump, comments are introduced on the selection and application of sea water lift pump and fire water pump.

通过对潜水泵与深井泵各方面特点的比较,提出海洋平台在海水泵和消防泵的使用方面的一些看法。

A new turbine-boiler coordination control system is designed for the 600 MW supercritical monotube boiler manufactured by Haerbin Boiler Plant with British Mitsm Babcock technology.

针对哈尔滨锅炉厂引进英国三井巴布科克技术制造的600 MW超临界直流锅炉,设计了新型的机炉协调控制系统。

To fully utilize the low temperature exergy of liquid hydrogen,installed additionally in a hydrogen energy based gas turbine cycle is an air precooler and hydrogen turbine.

为了充分利用液氢的低温火用，在氢能机循环中附加了一个空预冷器和氢透平。

The responsion functions of the eddy street flowmeter and the turbine control the separation of the gas-liquid,it's arithmetic was based on BP neural network improved PID control.

文中提出利用街流量计和流量计的响应函数来控制液分离,其控制算法是基于BP网络改进的PID控制算法。

Methods:Under the condition of toponarcosis,using turbine machine to cut off the dental crown,then weging into the elevator to stick out the remnant wisdom tooth.

方法:在局麻下切开、翻瓣用消毒过的机,去骨和离断智齿牙冠,去除近中牙冠,获得“拔牙空隙”,楔入牙挺,挺出智齿余牙。