Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/1a37d45143730ef6789b0432525afa4d.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 cylindrical concave mirror是什么意思，cylindrical concave mirror的翻译，cylindrical concave mirror音标、读音、用法和例句_沉淀汉英词典