brush graphite 石墨刷

graphite brush [电] 石墨电刷 ; 石墨刷 ; 碳刷 ; 石墨碳刷

metal graphite brush 金属石墨电刷

metallized graphite brush 金属石墨电刷 ; 金属炭刷

copper graphite brush 铜石墨电刷

metallic graphite brush 金属石墨电刷

carbon-graphite brush 碳

Silver-graphite brush 银石墨电刷

natural graphite brush 天然石墨电刷