Warning: file_put_contents(/www/wwwroot/ppbbu/www.30232.com/cache/a63b1e18fae3e1db934a878b36554480.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/www.30232.com/index.php on line 55 diffusioncoefficient是什么意思，diffusioncoefficient的翻译，diffusioncoefficient音标、读音、用法和例句_绍翊字体网有道词典