Warning: file_put_contents(/www/wwwroot/zidian/biehu.cn/cache/db7079acd9db6da00d9e98e1440b82be.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/biehu.cn/index.php on line 58 air-equivalent material是什么意思，air-equivalent material的翻译，air-equivalent material音标、读音、用法和例句_甲百汇小鸡词典