primary winding原: primary; original; former绕组: winding原绕组电压: primary winding voltage原绕组出线头: outprimary绕组: [电学] winding 双线绕组 bifilar winding; 绕组系数 winding coefficient; 绕组线 winding wire; 绕组元件 element of winding下载手机词典可随时随地查词查翻译