白灰炉渣的妙用

A clever use of white lime and cinder

本文论述了用白灰炉渣做防水屋面,经反复实验、观察和使用,这对于屋面防水、防渗漏有良好的效果,在实践应用中值得推广。

this passage deals with how to build a water-proof roof with white lime and cinder. After lots of experiments, observations,and ap-plications.this kind of roof produces a striking effect in protection ag-ainse water or leakage,it s well worth diffusing in practice