no-brush direct current electrical的用法和樣例：
例句
- The no-brush direct current electromotor is a kind of direct current electromotor without any mechanical commutator or brush.
無(wú)刷直流電機是一種沒(méi)有機械換向器和電刷的直流電機。 - To run a direct motor, we must connect it to a direct current source.
要開(kāi)動(dòng)直流電機，我們必須把它接到直流電源上。
