Ninde ukomeye, umuringa uhumye rivet cyangwa umuringa uhumye?
Umuringa usukuye, uzwi kandi ku izina ry'umuringa utukura, ufite ubucucike bwa (7.83g / cm3） hamwe no gushonga kwa dogere 1083. Ntabwo ari magnetique. Ifite imiyoboro myiza, itwara ubushyuhe, irwanya ruswa kandi ikomera.
Ubucucike bw'umuringa (8.93g / cm3) bukoreshwa mu gutondekanya igihuru cyifashishwa mu mashini, kidashobora kwihanganira kwambara.
Ubucucike bwa "umuringa" burenze ubw'umuringa utukura, kandi "umuringa" urakomeye hamwe no gukomera.
Igihe cyo kohereza: Jun-24-2021