The fireworks factory blew up when something went wrong with an electric switch. 焰火工廠因電流開關出毛病而爆炸了。
Furthermore, reverse recovery losses of main diodes are minimized, and auxiliary switches commutate at zero current. 此外,續流二極體的反向恢復損耗被降低到最小,輔助開關也實現了零電流開關。