Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/98a3d01fd9fb1ec17716ebe73aa009b5.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 conical envelope surface是什么意思，conical envelope surface的翻译，conical envelope surface音标、读音、用法和例句_歐米惠必应词典