Warning: file_put_contents(/www/wwwroot/zidian/diubi.cn/cache/a7fdf6c60cf46e9dfacd1b438447f5d1.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/diubi.cn/index.php on line 59 acoustic bragg reflection是什么意思，acoustic bragg reflection的翻译，acoustic bragg reflection音标、读音、用法和例句_果味酸柯林斯词典