Zopangira zazikulu, chifukwa cha kukula kwake kwakukulu, njira zambiri, kuzungulira kwautali, kusagwirizana muzochitikazo, ndi zinthu zambiri zosakhazikika, nthawi zambiri zimayambitsa kusagwirizana kwakukulu mu microstructure, kotero kuti ...
Werengani zambiri