三通一平(assuring that a construction site is connected to water/power and roads/and that the land is levelled before a building project is begun, 水、电、道路要通,施工场地要平)
三通一平(assuring that a construction site is connected to water/power and roads/and that the land is levelled before a building project is begun, 水、电、道路要通,施工场地要平)