Constant Volume Constant copper brush sliding contact characteristics of a good grip, noise, interference-free.

恒压卷恒铜刷握良好的滑动接触特性，噪音小，免干扰。

youdao

Constant Volume Constant copper brush sliding contact characteristics of a good grip, noise, interference-free.

恒压卷恒铜刷握良好的滑动接触特性，噪音小，免干扰。

youdao