The finite element simulation of the form - based half honeycomb profile strip 成形法制备半蜂窝波形条的有限元模拟
2.
Pvc standard specification for poly vinyl chloride profile strip for pvc liners for rehabilitation of existing man - entry sewers and conduits 修复带人孔管道的pvc衬底用聚氯乙烯
3.
Pvc specification for poly vinyl chloride profile strip for pvc liner for rehabilitation of existing man - entry sewers and conduits 修复现有的人可进入的污水管道用pvc衬里的聚氯乙烯
4.
Pvc standard specification for poly vinyl chloride profile strip for machine spiral - wound liner pipe rehabilitation of existing sewers and conduits 现用下水道和导管的机制螺旋形衬管修复用聚氯乙烯
5.
Standard practice for installation of poly vinyl chloride profile strip liner and cementitious grout for rehabilitation of existing man - entry sewers and conduits 排污管和管道修复用聚氯乙烯异型条衬里和水泥薄浆安装的标准实施规程
