Warning: file_put_contents(/www/wwwroot/zidian/diubi.cn/cache/5239a3d03b739cdfd8bbda9dd085aad0.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/diubi.cn/index.php on line 59 alternating electromagnet例句_alternating electromagnet英汉例句_alternating electromagnet双解例句_果味酸柯林斯词典
The utility model relates to an electricity-saving device of an electromagnet, which carries out retention by alternating current. 本實用新型涉及一種以交流吸持的電磁鉄之節電裝置。 ip.com