Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/a69e1166feef9af056f2700abf2c8a71.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 spur friction wheel是什么意思，spur friction wheel的翻译，spur friction wheel音标、读音、用法和例句_沉淀汉英词典