compound brush的用法和樣例：
例句
- Shining nc-Ni films are prepared with the electric brush plating technology.
採用電刷鍍技術在銅基體表面上製備光亮的納米鎳薄膜。 - The no-brush direct current electromotor is a kind of direct current electromotor without any mechanical commutator or brush.
無刷直流電機是一種沒有機械換向器和電刷的直流電機。
