Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/cc0bae1c21549b501ca95767d4b3a409.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 field winding英英字典_field winding剑桥英语解释_field winding柯林斯英文解释_歐米惠必应词典
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 激勵繞組