These devices have neither feedback pipes to control the main jet nor wall attachment effect of the jet on them.
这些装置没有反馈管来控制主喷流，也没有射流的附壁效应。它们的结构很简单可以自激振荡。
In this paper, an inverse effect of lateral jet within lateral and main jet stream interaction was indicated on experiments.
本文在实验基础上，指出了侧向喷流与主流在相互作用中存在的负效应现象。
Carburetors for automobile engines usually contained a storage chamber for liquid fuel, a choke, an idling jet, a main jet, an airflow restriction, and an accelerator pump.
汽车发动机用的化油器的组成通常包括燃油室、阻风门、怠速量孔、主量孔、空气节流喉管和加速泵。
The jet began to turn off the main runway.
那架喷气式飞机开始拐出主跑道。
For Kingfisher and its main competitor, Jet Airways, both full-service carriers, times are especially tough.
对于翠鸟航空及其主要竞争者捷特航空两大综合服务提供商来说，局势尤为严峻。
The F-35 multi-role fighter jet is worth over $380 billion in America and should contribute around 15% of the profits of Lockheed Martin, its main contractor.
F-35多用途喷气式战斗机在美国可创造3800亿的收入，其主要承包商---洛克希德.马丁公司15%的受益将来自于此项目。
It is powered by two jet-turbine engines which operate both the five-bladed main rotor and, through a gearbox and shafts, a pair of propellers on two short wings.
它由两个喷气涡轮引擎提供动力，以驱动五个叶片的主旋翼，以及通过齿轮箱和连轴驱动在两边短翼上的一对螺旋桨。
He said the move won't result in a loss of jobs at Cessna's main plants, adding that Cessna has unfilled orders valued at $11.9 billion, with plans to expand its profitable business-jet line.
他表示，此举不会导致Cessna主要制造厂的工人失业。 公司现有价值119亿美元的未发货订单，并计划进一步充实高利润的商务喷气机的型号。
We analysed the main reasons causing the shortcomings of electroforming and proposed the selective jet electroforming technology to solve the problems.
本文分析了导致电铸缺陷的主要原因和解决方法，提出了选择性射流电铸工艺方案。
The main properties of jet spinning machine are introduced. The production technology and cost benefit of jet spinning are analysed and studied.
介绍了喷气纺纱机的主要性能，对喷气纺纱的生产工艺及成本效益进行了分析与研究。
Formulas for calculation involve the important factors such as the varying diameters and velocities of the jet, velocities and thicknesses of the flying plates, as well as the strength of main armor.
计算关系式中，包含了连续变化的射流速度和直径，飞板速度和厚度，主装甲钢的强度等主要弹靶因素。
The effects of a side wall vertical jet on sudden-expansion channel's wall pressure coefficient, surface heat transfer coefficient and main flow recirculation zone length are discussed in detail.
讨论了垂直于突扩通道主流方向的侧壁射流对壁面压力系数、传热系数及主回流区长度的影响。
In this paper the application of high pressure water jet technology in coal mine main drainage pipeline is discussed briefly.
简要探讨了高压水射流清洗技术在煤矿主排水管道清洗中的应用。
The presence of striation area is one of the main characteristic on the surface generated by abrasive jet.
波纹区域的存在是磨料射流切割表面的主要特征之一。
A passenger jet carrying at least 90 people has crashed near the main airport in Kyrgyzstan. At least 71 people were killed.
一架载有至少90人的客机在吉尔吉斯斯坦一主要机场附近坠毁，造成至少71人死亡。
Main purposes : metallurgy, Mexico silicon carbide, glass and glass products, ceramics, steel castings, water filtration, water glass, chemicals, jet noise.
主要用途：冶金、墨碳化硅、玻璃及玻璃制品、搪瓷、铸钢、水过滤、泡花碱、化工、喷吵、环氧地坪、涂料等行业。
The pressure gradient and entrainment of vortexes are main reasons that synthetic jet actuator controls low speed primary jet direction.
压强梯度的存在和旋涡的卷吸作用是合成射流激励器控制宏观低速流流动方向的主要因素。
Through calculation of concrete instance, it is clear that coal mine main drainage pipeline cleaning by high pressure water jet has remarkable economic benefits.
最后通过对具体实例的计算，说明了清洗煤矿主排水管道具有显著的经济效益。
The characteristic equations for temperature and velocity of air flow in jet main region specification model were put forward and validated in a case study.
提出主流区风口模型计算气流温度和速度的特性公式，并研究其在工程中的实际应用情况。
It is found that the star_shaped nozzle jet has a shorter initial section and slower velocity attenuation along the jet centerline in the main region than the round nozzle jet.
实验发现，星形喷嘴射流与普通圆射流相比，其射流初始段较短，但基本段内速度随喷距衰减的速率较低。
This is Rich Perkins tossing around his L-39 Albatross, which was the Soviet Union's main military jet trainer during the latter part of the Cold War.
这是富帕金斯投在他的L型39信天翁，这是苏联的主要军事飞机教练在后一部分冷战。
The analysis shows that the impingement caused by the high speed jet is the main reason of sporoderm broken.
分析结果表明：高速射流引起的撞击是造成灵芝孢子破壁的最主要原因。
Further opening the throttle valve activated the main fuel jet.
当节流阀进一步打开时，主喷口开始工作。
A passenger jet carrying at least 90 people has crashed near the main airport in Kyrgyzstan.
一架载有90名乘客的飞机在吉尔吉斯斯坦主机场旁坠毁。
Mechanical rock breaking is the main function of modern rotary drilling. The purpose of jet aided mechanical rock breaking is to improve the penetration rate.
现代旋转钻井破碎岩石是以机械破岩为主导方式，射流辅助机械破岩的目的是提高机械钻速。
Meanwhile, the color ink-jet printing paper, as one kind of its main consumed materials, will have great market and developing potentiality.
而作为喷墨打印主要耗材的彩喷纸具有很大的市场潜力和广阔的发展前景。
The film was driven towards high radius side by spanwise Coriolis force, resulting in less mixing between main flow and jet and maintaining low temperature of the film.
②气膜在哥氏力作用下向高半径方向偏移，弱化了射流前缘与主流的剪切和掺混，使气膜保持较低温度；
Previous works proved that the main mechanism of water jet comminuting is the strike effect.
前期实验表明，原盐水射流粉碎的主要作用机理是颗粒与靶物的冲击粉碎作用。
Previous works proved that the main mechanism of water jet comminuting is the strike effect.
前期实验表明，原盐水射流粉碎的主要作用机理是颗粒与靶物的冲击粉碎作用。
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