Warning: file_put_contents(/www/wwwroot/ppbbu/www.30232.com/cache/998f17f50829c9f55ad832503e38b815.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/www.30232.com/index.php on line 55 diagrammatic curve例句_diagrammatic curve英汉例句_diagrammatic curve双解例句_绍翊字体网有道词典
It is difficult to be measured exactly by the pressure gauge, but we can find it on the V-AP diagrammatic curve which we obtain by refited experiment. 经改装后，可以从实验得到的气体流速v与压降△P曲线关系图中很容易地获得。