 | Isiokwu oru ngo: Owuwu okporo ụzọ na South Africa Ntinye oru ngo: Highway Ọdịdị tumadi na-ezo aka na ihe owuwu nke subgrade, dị ka: culvert, ọwa, àkwà mmiri (bụghị overpass), ọwa mmiri na mmiri drainage ọwa mmiri, ihe mkpọda nchebe, ihe mkpọda drainage (jet trough), na-ejigide mgbidi. Aha ngwaahịa: ERW Nkọwapụta: API 5L,GR.B 219*6.75 Ọnụọgụ: 1000MT Obodo:South Africa |