Kapangidwe ka machubu a square ndi osavuta, kupanga bwino ndikwambiri, mitundu ndi mafotokozedwe ake ndi osiyanasiyana, ndipo zida zake ndi zosiyana.Kenako, tifotokoza za kusiyana kofunikira pakati pa ma welded square chubu ndi machubu opanda msoko mwatsatanetsatane.1. Welded square pip...
Werengani zambiri