Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/4b554097bd1a4ed043fe8254d86b2a5d.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 undershot type headgate是什么意思，undershot type headgate的翻译，undershot type headgate音标、读音、用法和例句_沉淀汉英词典