flat slab floor造句

• It has been found out that using a prestressed concrete flat slab floor can decrease the thickness of the floor slab , improve forced property and service functions of the structure , and so as to save materials , reduce cost and prevent the cracks of shrinkage and temperature
  采用预应力混凝土无梁楼盖可以降低楼板厚度，改善结构的受力性能和使用功能，而且能节约材料，降低造价，防止收缩和温度裂缝的产生。