The inside of the streamline shape head part of the closed type drain tube is provided with the positioning groove of the guide steel needle. 封闭式引流管流线形头部内侧设有导引钢针定位凹槽。
The third scheme, whose streamline frontal shape is shuttle shape, with lowest air pressure pulse and aerodynamic drag, was selected as the optimization scheme. 最优方案为列车交会压力波和空气阻力均较小、流线型头部为扁梭形的方案三。
Unique streamline shape appearance with circle arc windscreen and curve engine hood for excellence sight. 大圆弧玻璃驾驶室和发动机整体罩壳,形成独特的流线外观造型风格。
This paper presents the implicit method of streamline iteration on the bases of method of streamline iteration for computing two-dimensional viscous incompressible steady flow in the channel with arbitrary shape. 本文在计算任意形状流道中二维粘性不可压缩定常流动的流线迭代法的基础上,进一步提出一种隐式流线迭代法。
Because of its streamline shape, the caisson basis with rotundity shape has less influence on current around the pier competed with the rectangle shape caisson basis. 在不透水的桥墩基础中,圆形截面的沉井基础桥墩由于其截面绕流性能较好,对桥墩周围水流流场的影响要明显小于矩形截面的沉井基础桥墩。
The plastic deformation improves inhomogeneity of chemical composition and structure, forming streamline shape graphite in order arrangement. 塑性变形减少了化学成分的不均匀并改善其组织结构,形成有序排列的流线型石墨,晶粒细化。
Firstly, model A and B which with streamline head shape together with model C with blunt head are designed by CAD technology. 首先,利用CAD技术设计了具有流线型头形的列车模型A、模型B以及钝头型模型C。
The hull is streamline body with double curvature; usually the shape of its surface is a complex smooth curved surface, which makes the expression of the hull surface during ship design lot of difficulties. 船体是一个具有双重曲度的流线体,其表面形状通常是一个复杂的光顺曲面,这就使船体曲面的表达和船型设计增加了不少难度。