• 该文以单兵火箭冲击射流研究对象采用数值模拟技术,对定向器管尾附近区域燃气流场进行了数值计算,给出了发动机工作早期阶段冲击射流噪声场形成过程的计算结果。

    Taking the impact jet flow field of individual rocket as research object, this paper calculates the jet flow field near the back of the launching tube by using the numerical simulation method.

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  • 首先镗孔然后安装接下来白合金制的轴承套,也叫轴承。

    First you need the boring for the shaft, then install the stern tube into the stern frame, next fit the gun-metal or white-metal bush.

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  • 的自然压力大于塑料耐压值后,便可使塑料,从而使生产中断,浪费大量水泥砂,造成井下污染

    When the pressure is greater than the standard of the plastic pipe, the pipe will break, slurry and cement will escape from the pipe and pollute the mine.

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  • 复发结石肝内的分布广泛,依次为、左内叶、右前叶、右后叶、左外叶和状叶,分别为1312、8、6、43和3例次。

    The recurrent stones were found at following sites: 13 at left duct, 12 right duct , 8 left medial segment, 6 right anterior segment, 4 right posterior segment, 3 left lateral segment, 3 caudate.

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  • 瓶装铝制或者复合,配以及兰色测量

    Bottle type: Aliminium or Co-ex with cap and seal and blue measuring cup.

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  • 埋入部分包括蜗壳座环、水肘、机坑里衬

    The embedding part includes volute socket ring, tail water taper pipe, tail water ell, pit liner and so on.

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  • 本文介绍有关推广应用12a窄高型试验研究成果,给出了应用12a确定具有该肘主要几何参数所必需一些数据

    Some data which are necessary for using elbow 12a and determining the main geometric parameters of the draft tubes with elbow 12a are given.

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  • 采用转角轧制轧制相反的操作法轧制薄壁消除喇叭口三角

    The end trumpet and end triangle can be eliminated if a rolling process with three angles rotating is used for thick wall pipe rolling and other processes for thin wall pipe rolling.

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  • 产品优良的高温抗氧化强性。用于燃气加力燃烧室航空摇摆仪表用等。

    This product has excellent high temperature oxidation resistance, high heat resistance. For a gas conduit, afterburner tail pipe, air hose with a swing, instrumentation pipe.

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  • 泵送试验中往往添加一些其它材料改善膏体填料输送参数提高充填体的强度

    In full tailing paste filling slurry pumping looping pipe experiments, some other materials are usually added to improve the transportation parameters and the filling strength.

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  • CO2激光器光束传输系统中,反射在激光腔内被用作折叠式反射镜,则充当了器的角色。

    In a beam transmission system of a CO2 laser, the reflection mirror can be used as back-view mirror or foldable reflection mirror in the laser cavity, while as a light bender outside the cavity.

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  • 该机全自动操作系统完成灌装、热溶、、打、修整、出成品全过程。

    Tube washing and feeding marking identification, filling, folding, sealing, code printing and finished product output all conducted by a fully auto control system.

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  • 试飞包括一个这个选项通过选择那些兴趣FMS

    The test flight package also includes a drogue hanging from the tail, and this option package is selectable via the FMS for those who are interested in it!

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  • 顶端界线清楚包含所有分析元素原子的等离子体激发

    A well defined tail is present on the tip of the torch, which contains all the analyte atoms that have been excited by the intense heat of the plasma.

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  • 轴承塑料喷漆

    Spraying of plastic on stern tube bearing.

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  • 用途设备适用于医药、食品、化工、化妆品等行业,各种类的物料灌装金属塑料中,完成折叠以及打印生产日期、批号等。

    Use: This equipment is with filling, sealing and label, date printing for cream and ointment product which can be filled in metal or plastic pipe.

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  • 用途设备适用于医药、食品、化工、化妆品等行业,各种类的物料灌装金属塑料中,完成折叠以及打印生产日期、批号等。

    Use: This equipment is with filling, sealing and label, date printing for cream and ointment product which can be filled in metal or plastic pipe.

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