Warning: file_put_contents(): Only 0 of 4849 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/5356789.com/index.php on line 55 clearing relay例句_clearing relay英汉例句_clearing relay双解例句_橘子朗文词典
Main duties of relay protection are correctly and quickly judging and clearing system faults, which greatly derive voltage sags in a distribution system. 系統中大部分電壓跌落由故障引起，快速可靠地判斷竝切除故障是繼電保護的主要職責。