Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/96d3938895c371c61114e2e993cfc4dc.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 diffusion cooling coefficient是什么意思，diffusion cooling coefficient的翻译，diffusion cooling coefficient音标、读音、用法和例句_沉淀汉英词典