no-brush direct current electrical

• 无刷直流电机

no-brush direct current electrical的用法和样例：

例句

1. The no-brush direct current electromotor is a kind of direct current electromotor without any mechanical commutator or brush.
   无刷直流电机是一种没有机械换向器和电刷的直流电机。
2. To run a direct motor, we must connect it to a direct current source.
   要开动直流电机，我们必须把它接到直流电源上。