An effective aerodynamic optimization design method of transonic airfoil is given.提出了一种有效的跨音速翼型气动优化设计方法.The experimental results of NACA 0012 airfoil dynamic pressure measurement are given here.12翼型动态测压的实验结果,初步分析了影响翼型动态气...
The graphite is a kind of solid antifriction agent with excellent properties.石墨是一种性能优良的固体减摩剂,但因悬浮问题,长期不能在润滑油中应用.Special formula for the rubber wheel, antifriction, aging resistance and high temperature resistance.专用橡胶轮系独...
This requires evaluating water - bearing formations in their operation as filer plants.这就要求评价含水层作为过滤装置的运用.Filer SWIs, which aid reading and from disc, setting attributes etc.文件器SWI, 它辅助读写磁盘 、 设置属性等....