预制混凝土

• Precast concrete products - elements for fences
  预制混凝土产品.栏栅用构件
• Residential stair . prefabricated concrete flights
  住宅楼梯.预制混凝土梯段
• Precast concrete products - elements for fences
  预制混凝土产品.栏栅构件
• Steel formwork for prefabricated concrete products
  预制混凝土构件钢模板
• Precast concrete products - floor plates for floor systems
  预制混凝土制品.楼板系统用地板
• Precast concrete products - hollow core slabs
  预制混凝土产品.空心板
• Residential stair . prefabricated concrete intermediate landings
  住宅楼梯.预制混凝土中间平台
• Installation of underground precast concrete utility structures
  地下预制混凝土公用设施装配
• Common rules for precast concrete products
  预制混凝土产品的共同规则
• Precast concrete products - hollow core slabs
  预制混凝土产品.空芯板