Warning: file_put_contents(/www/wwwroot/ppbbu/62383.com/cache/20d0b745c08bff752d53c56279c431f4.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/62383.com/index.php on line 55 field winding英英字典_field winding剑桥英语解释_field winding柯林斯英文解释_流逝汉英词典
1. N the insulated current-carrying coils on a field magnet that produce the magnetic field intensity required to set up the electrical excitation in a generator or motor 激励绕组