 | Paksa ng proyekto: Highways Construction sa South Africa Panimula ng proyekto:Ang istraktura ng highway ay pangunahing tumutukoy sa konkretong konstruksyon ng subgrade, tulad ng: culvert, channel, tulay (hindi overpass), ditches at water drainage ditches, concrete slope protection, concrete slope drainage (jet trough), ang retaining wall. Pangalan ng Produkto: ERW Pagtutukoy: API 5L,GR.B 219*6.75 Dami: 1000MT Bansa:Timog Africa |