Nambala yovomerezeka yachitsanzo: ZL201820279850.3

Mutu wa nyundo wopanda kanthu umaponyedwa pogwiritsa ntchito ukadaulo wa silica sol, wopangidwa ndi ZG270-500, ndipo aloyiyo ndi CL35 kapena ZL10A Zigong alloy Pansi pake ndi yosalala, yowoneka bwino komanso mitundu yonse.

? Kutsogolo kokhala ngati V kumachepetsa kukana, kugawa zinthu mofanana, komanso kumapangitsanso kufanana kwa zinthu zophwanyidwa;

?Sinthani mbali ya mano ndikuphwanya ndi mano angapo kuti muthe kuphwanya bwino.