直轴超瞬变开路时间常数的英文

direct axis subtransient open circuit time constant

• 直:    straight; stiff
• 轴:    axle; shaft
• 超:    exceed; surpass; o ...
• 瞬变:    transition; transi ...
• 开路:    open a way; blaze ...
• 时间:    time; hour
• 常数:    constant