Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/afcd3e1fcfd540bf52f7ef6f9395a66b.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 biot number是什么意思,biot number的翻译,biot number音标、读音、用法和例句_沉淀汉英词典