So, how studies can accurately prediction to the ducted propeller hydrodynamic performance is more important.所以, 研究如何能更准确地预报导管螺旋桨水动力性能非常重要.Falling raindrops break up through hydrodynamic effects.下落雨滴由于流体动力作用而破碎.On the ba...
主要论述了辊底式无缝钢管退火炉在炉体 、 燃烧、管道等方面的技术改造.Retrofitting of furnace body , burners and piping in the furnace is presented.文章介绍了现代用于冷轧不锈带钢生产的连续退火炉的组成及结构.In the paper, the structure of morden continuous annealing furnace was introd...
The principle sanctioned by fiat what was evidently empirically correct but not yet logically established.这个原理用命令来批准,经验上显然正确但未在逻辑上建立.The acceptance criterion is usually set empirically based on the type of device being f...