预制

• Impact resistance of prepared roof covering materials
  预制屋顶层材料的抗冲击性
• Fences - specification for prefabricated wood panel fences
  栅栏.预制木板栅栏规范
• Precast concrete products - special roof elements
  预制混凝土产品.特殊屋顶构件
• Precast concrete products - ribbed floor elements
  预制混凝土产品.有肋楼板组件
• Fabrication of precast segment at orientfund casting yard
  制造中的桥身预制组件
• Precast concrete products - ribbed floor elements
  预制混凝土制品.有筋楼板元件
• Commencement of transportation of precast segments to site
  桥身预制组件运送到地盘
• Prefabricated accessories for roofing . roof safety hooks
  预制屋面附件.屋顶安全钩
• Easy on - site installation or preassembly in the workshop
  现场安装容易或在工场预制
• Standard specification for precast concrete barriers
  预制混凝土栅栏的标准实施规范