Chitoliro chachitsulo cha malata, chomwe chimatchedwanso chitoliro cha culvert, ndi chitoliro cha malata cha ma culverts oyikidwa pansi pa misewu yayikulu ndi njanji. malata zitsulo chitoliro utenga yokhazikika kamangidwe, chapakati kupanga, yochepa kupanga mkombero; kukhazikitsa pa malo a Civil engineering ndi p...
Chitoliro cha corrugated culvert chitoliro chimapangidwa ndi zidutswa zingapo za malata okhazikika ndi mabawuti ndi mtedza, zokhala ndi mbale zopyapyala, zopepuka zopepuka, zosavuta kunyamula ndi kusungidwa, njira yosavuta yomanga, yosavuta kuyiyika pamalopo, kuthetsa vuto la destructio...