Tsopano zowotchera m'makampani nthawi zambiri amagwiritsa ntchito njira yopangira, DHDZ imapereka ma forging apamwamba kwambiri, ndiye tsopano popanga, ndi zida zotani zomwe zimagwiritsidwa ntchito? The forging zipangizo makamaka mpweya zitsulo ndi aloyi zitsulo, kenako zitsulo zotayidwa, magnesium, mkuwa, titaniyamu ndi aloyi awo. Chiyambi cha ...
Werengani zambiri