GuhindukaibyumaNibikoresho byiza byo gushyigikira mubwubatsi, ibyanjye, tunnel, ikiraro, intangarugero nindi mishinga yo kubaka. Igizwe na tube y'imbere, imiyoboro yo hanze, isahani kare, igikombe, g pin, umuyoboro woroshye, kandi woroshye gushyigikirwa, kandi byoroshye. Kubwinjiriro byoroheje, diameter ihora 40 / 48mm, 48 / 56mm, kandi niba ubwoko bukomeye, hanyuma diameter izaba 48 kugeza 60mm
Igihe cya nyuma: Sep-05-2023