Kodi msika waukulu waukulu wa tungsten carbide tsopano ndi uti? Magawo olimba a alloy amakhala pamsika wamagalimoto, azachipatala, amagetsi atsopano, kodi mukukhulupirira? Kodi inu mukudziwa izo? Chonde ndiroleni ndikudziwitseni lero. Amagwiritsidwa ntchito makamaka m'munda wamagalimoto. Pambuyo kuumba, sintering, chitsulo kapena aloyi pow...
Werengani zambiri