Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/4823f285e62cc680c0c8e22a23e59046.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 medium-voltage winding是什么意思，medium-voltage winding的翻译，medium-voltage winding音标、读音、用法和例句_沉淀汉英词典