构件自防水屋顶

构件自防水屋顶，构件自防水屋顶,goujian zifangshui wuding，构件,屋顶,防水,wuding,goujian,zifangshui，[拼音]：goujian zifangshui wuding[外文]：self-waterproofing roof利用钢筋混凝土屋面板本身的密实性，通过对板面和板缝进行处理而具有防水功...