... 铜石墨电刷 co er-graphite brush; copper graphite brush; copper-graphite brush 银石墨电刷 silver graphite brush; silver-graphite brush 碳化硅电阻棒 carbonsilicide rod; silicon carbide resistance rod ...
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Silver-graphite brush 银石墨电刷
Silver-colored graphite brush 银石墨电刷
graphite brush impregnated silver 浸银石墨电刷
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