| Koko-ọrọ: Awọn ọna ikole ni South Africa ifihan Project:Highway be o kun ntokasi si nja ikole ti subgrade, gẹgẹ bi awọn: culvert, ikanni, Afara (ko overpass), koto ati omi idominugere koto, nja ite Idaabobo, nja ite idominugere (jet trough), awọn idaduro odi. Orukọ ọja: ERW Sipesifikesonu: API 5L, GR.B 219*6.75 Opoiye: 1000MT Orilẹ-ede:Gusu Afrika |