Warning: file_put_contents(): Only 0 of 7291 bytes written, possibly out of free disk space in /home/www/wwwroot/ndsq.cn/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_开心英文字典_柠咚词
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