Leading edge cuts the front from the the main-voltage sinus after the zero-cross.
Leading edge cuts the front from the the main-voltage sinus after the zero-cross.
飞机螺旋桨的前边缘在零交叉只后阻断了高电压的前峰。
Leading edge cuts the front from the the main-voltage sinus after the zero-cross.
飞机螺旋桨的前边缘在零交叉只后阻断了高电压的前峰。