建筑物外墙的清洗(一)

Cleaning of Building's Outside Walls (1)

文章对建筑物外墙产生污垢的原因及污垢种类、使用的清洗剂种类及其性能特点进行了介绍,并重点对铝材和石材的清洗做了详细描述。

this paper illustrates the substances,which cause dirt on the outside wall of buildings.It introduces the kind and character of the cleaning agent especially those used on aluminium and stone products