摘要
介绍了楼板内硬聚氯乙烯下水管的几种典型破损及其治理方法．
The methods of repairing leak off hard polyvinyl chloride downcomers in floors and walls are reported in this paper.
出处
《中南民族学院学报（自然科学版）》
1998年第2期15-17,共3页
Journal of South-Central University for Nationalities(Natural Sciences)
