Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/37e41a92368002b7bbf290222fe43a79.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 pretension spring是什么意思，pretension spring的翻译，pretension spring音标、读音、用法和例句_沉淀汉英词典