Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/cf02c6f189d8d64674c0560c1b44c295.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 sector gear bearing是什么意思，sector gear bearing的翻译，sector gear bearing音标、读音、用法和例句_沉淀汉英词典