硼砂混凝土;
After successful experiments, we came to the conclusion that using the borax ceramsite concrete as the layer of accumulation of heat in the floor radiant heating system would reduce the self-weight of the buildings and the speed of heat-spreading compared with pisolite concrete.
结论用硼泥陶粒混凝土作低温热水地板辐射供暖系统的蓄热层,与用豆石混凝土相比,减轻了建筑物自重、减缓了传热速度、增强了房间的热稳定性。
英语网 · 双语娱乐资讯
英语网 · 初中英语作文