施工construction
办公大楼正在～。The office building is under construction./前面道路～，车辆绕行。Detour.Road Under Repair Ahead./～重地，闲人免进。Construction Site. No Admittance Except On Business./～场地construction site/～程序order of construction/～单位department in charge of constructiuon/～方案working plan/～蓝图blueprint for the construction /～人员 construction workers;builders/～图working drawing |