Gulu la pepala la graphite Pepala la graphite limadutsa njira zingapo zowonjezera monga graphite yapamwamba ya phosphorous sheet graphite, mankhwala ochizira, kutentha kwapamwamba kwambiri ndikuwotcha. Ili ndi kukana kutentha kwambiri, kuwongolera kutentha, kusinthasintha, kulimba mtima komanso kuchita bwino kwambiri ...
Werengani zambiri