由精密陶瓷加工，超精抛光达ra0.2，由于硬度较高，表面光滑，漆包线在其表面滑动时顺畅不受损伤。

It is made of precise ceramic and polished up to Ra0.2. high hardness and smooth surface enable the enameled wire free from hurt during surfaces sliding.

youdao

此产品由精密陶瓷加工，超精抛光达ra0.2，由于硬度较高，表面光滑，漆包线在其表面滑动时顺畅不受损伤。

It is made of precise ceramic and polished up to Ra0.2high hardness and smooth surface enable the enameled wire free from hurt during surface sliding.

youdao