草鱼幼鱼耳石长半径与短半径之间呈线性关系;
Short radius and long radius of lapillus was linearly correlated.
根据弯管压损理论选择设计了短半径弯管,并对其进行了相关试验。
Based on the elbow press loss theory, a short radius elbow was chosen and designed and experiments were made using it.
通过三类弯管形式压损试验,发现了短半径弯头在一个较大料气输送比范围内均产生最小压损;
By means of the pressure loss in three kinds of bend configuration. it is found out that the short radius elbows appear to yield the lowest pressure loss in a wide range of mass over air ratio.
它的开发、应用成功,为小井眼、短半径井的井眼轨迹测量、斜向器定向开窗作业提供了必备的测量手段。
The development and application of this device provided a necessary mean for the slim hole track measurement and directional window cutting.
试验结果表明,长半径弯管的压损高于短半径弯管的压损,与最新研究理论相符;但是,使用长半径弯管时分配器的排量要大于使用短半径弯管时分配器的排量。
The test result proved the press loss of the long radius elbow is higher than that of the short radius elbow, which accorded with the new theory.
车方机床用曲率半径很大的椭圆短半轴曲线代替直线切削方形工件。
It illustrates a ellipse's short semi-axial curved line with great cured radius, that can replace the straight line for cutting square work-pieces on the machine tool.
车方机床用曲率半径很大的椭圆短半轴曲线代替直线切削方形工件。
It illustrates a ellipse's short semi-axial curved line with great cured radius, that can replace the straight line for cutting square work-pieces on the machine tool.
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