While the concrete floor slab is the source of heat, it also serves as a heat sink in the winter months and helps keep the home cool during the summer.
混凝土楼层楼板是热源，同时在冬季的几个月里也是散热器，并在夏季保持室内凉爽。
2
Tangpu reservoir is the only source of drinking water in Yushao Plain. Its east main dam is a large concrete face-slab rockfill dam and the problem of serious seepage exists.